How to Recondition a Battery

EZ Battery Reconditioning Method

EZ Battery Reconditioning is a program that teach users how to bring back to life their dead batteries of all kinds. The program is authored by Tom Ericson, previously an employee of golf cart enterprise. He learnt the strategies of converting old batteries to the level of brand new ones and want to share. The program is workable for many types of batteries such as phone batteries, rechargeable batteries, laptop batteries, alternative energy batteries, AA batteries, AAA batteries, solar system batteries, and wind system batteries among many others. Apart from providing you with written instructions, the program also offer photos, diagrams and videos that make the entire process easy to comprehend. In addition to the reconditioning guide, you will also be availed with information on how you can get old batteries for free. You can then apply the strategies covered in the guide to recondition them freely. Reviving batteries save money. Better still, you can sell these batteries for profits. Evidently, this program can help you in a significant way. Give it a try and you will never regret. Read more here...

EZ Battery Reconditioning Method Summary


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Contents: Ebook
Author: Tom Ericson
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Price: $47.00

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My EZ Battery Reconditioning Method Review

Highly Recommended

It is pricier than all the other books out there, but it is produced by a true expert and is full of proven practical tips.

I personally recommend to buy this ebook. The quality is excellent and for this low price and 100% Money back guarantee, you have nothing to lose.

Battery Reconditioning 4 You

This is a step-by-step guide showing the users how to create their own battery. The E-book was created just to explain and help people out of the problem they face because of the lack of good battery. The guide was made to help the users use about 90% of the tools they have at home to create a battery for themselves and their family. It is a unique concept that can be used in every home. It was created in such a way that it would be a quick fix for their battery problem. In other words, when the users purchase it during the day, the users will be able to make use of it before night falls. The process is so easy that even a little child can fix it up. It will be their guide in building any type of battery- car battery, cell phone battery, laptop battery, drill battery, solar panel battery. The guide is such that comes at a cheap price and would help in the reduction of the amount the users might have to pay for a new battery due to the number of appliances the users will use in their house. Read more here...

Battery Reconditioning 4 You Summary

Contents: Ebook
Official Website:
Price: $47.00

Homemade Solar Charge Controller For 50ah Battery

Two systems had single roof-mounted 50 Wp polycrystalline Fortum NAPS NP50G modules. One of these had a 10 A Fortum NAPS NCC1 charge controller. In another we used a 10 A Morningstar controller, kindly donated to EAA for test purposes. It arrived as a circuit board, and a wooden casing was constructed on site. One of these systems has a 100 AH automotive battery we bought in Bossaso, and the other has a 100 AH GLS lead-acid tubular plate battery. Each of these systems had five Sollatek lights. The third and smallest system has a 20 Wp polycrystalline Fortum NAPS module, pole-mounted, with a Fortum NAPS 5 A charge controller and three lights one Sollatek and two Labcraft 8 W fluorescent tubes. A locally available 50 AH automotive battery was used. Horn Relief is now marketing some small solar-electric systems in the region. They are convincing local electric shops to supply the proper switches, junction boxes, cables, batteries, and other accessories. They will be...

Build your own Battery State of Charge Meter

Here's a simple, home-brew, project that indicates how much energy is remaining in your batteries. It's a gas gauge for lead-acid batteries, we call it the Bat-O-Meter . It is an LED bar graph voltmeter with an expanded scale. It can tell you the state of charge of your batteries from across the room, even in the dark. The Bat-O-Meter is not only very simple to build, but also very inexpensive-less than 10. in parts and about an hour of your time are all that's needed. And, in addition to the 12 Volt model, we've designed a 24 Volt model (we hear you 24 Volters out there). It is a vertical column made up of 11 Light Emitting Diodes (LEDs). It's like a thermometer, the greater number of LEDs that are lit, the higher the column gets, and this indicates higher system voltage and more energy in the battery. Here's the scheme for a 12 Volt system. The bottom red LED indicates battery voltage below 11.5 VDC. The next, amber, LED up the column lights when battery voltage above 11.5 VDC. The...

And 120 Ampere Photovoltaic Charge Controllers

The CC-60 is a series Pulse Width Modulated charge controller providing complete and failsafe battery recharging. State-of-the-Art MOSFET technology gives the fullest possible charge by trickle charging the batteries once they reach float voltage. This is not possible with unreliable relay series

Lead Acid Batteries

The battery is the heart of all alternative energy systems. A battery is a collection of cells which store electrical energy in chemical reactions. Not all batteries are the same. They have evolved into different types to meet different needs. We are primarily interested in the true Deep Cycle lead-acid battery. This type is the most cost effective for home energy storage. In order to discuss these batteries, we need to agree on certain terms. The more we know about batteries, the better we can use them, and the cheaper our power will be. Power is the amount of energy that is being used or generated. The unit of power is the Watt. A 100 watt lightbulb consumes 10 times as much energy as a 10 watt lightbulb. The amounts of power being used and generated determine the capacity of the battery pack required by the system. The more electricity we consume the larger the battery must be. The power source must also be larger to recharge the larger battery pack. Battery Capacity Battery...

Daybreak Energy for Your

I have a 4,000 watt generator that's hooked up to a 40 amp battery charger which charges 2 deep cycle golf cart batteries that I picked up used. I have 2 30 watt fluorescent lights, battery monitor and DC service panel purchased from Steve Willey, who has been quite helpful with any questions I had. Also for those on a low budget or who like to build your own equipment who need a voltage regulator or load diverter. I found a circuit in November 1987 Modern Electronics originally for a 120 volt battery charger but a PV or wind generator or other source can be substituted in place of the battery charger. Instead of the relay the current to a second set of batteries or other load when the first set is fully charged. It has adjustable voltage range and the current it can handle is dependent on the relay you use. If you should build one note there is a mistake on the circuit board layout. There should be a circuit trace from the cathode of D1 to the cathode of D2. We did not burn any...

Appliance Consumption in Watthours per day Total Consumption 2704 Watthoursday

The PV array is kept under control by the Heliotrope CC-60 PWM Taper Charge Controller. This device is inserted in series between the PV array and the battery pack. The function of this controller is to see that the array doesn't overcharge the batteries. The Heliotrope is user programmable and capable of handling up to 60 Amperes of array current. This controller not only protects the batteries, but also assures they are as fully charged as possible. This control works very well and we highly recommend it. See Home Power 8, page 31, for a Things that Work test of the Heliotrope CC Series Charge Controllers. Roger and Ana's system uses six Trojan L-16W deep cycle, lead acid batteries for storing the PV produced electricity. The Trojan L-16W is a battery containing three lead-acid cells developing 350 Ampere-hours each. Each L-16W battery contains 350 Ampere-hours at 6 VDC. We combined, via series and parallel wiring, six of these batteries into a pack of 1,050 Ampere-hours at 12 Volts...

Richard Perez

And we needed it to be there 24 hours a day without constantly running a noisy, gasoline eating, engine. At that time, NASA was about the only folks who could afford PVs. We started using lead-acid batteries to store the electricity produced by a small gas engine generator. We'd withdraw energy from the batteries until they were empty and then refill them by running a lawnmower engine and car alternator. Since we stored enough energy to last about 4 days, we discharged and recharged the batteries about 100 times a year. Over years of this type service, we have learned much about lead-acid batteries-- how they work and how to best use them. The following info has been hard won we've made many expensive mistakes. We've also discovered how to efficiently and effectively coexist with the batteries that store our energy. Batteries are like many things in Life, mysterious until understood. A battery is a group of electrochemical cells. Individual cells are...

Windy Dankoff

Renewable energy systems that depend on storage batteries (photovoltaic, hydro-electric, wind-electric) produce low voltage DC power. Utility companies supply high voltage ac power (more appropriate for mass-distribution). We live in a world of two electrical standards. Neither form of power is best . What's important is to use the available form in an efficient, simple and

Solar Trackers

Then get the IES DeSulfator battery conditioner. Call your dealer or visit www. InnovativeEnergy .com The unit came with a plastic holder that attaches to the wall to hold the vacuum when not in use. When you place the vacuum in the holder, it automatically plugs the unit into a battery charger. The only way to not engage the charger is to unplug the wall cube transformer at the outlet. Bob-O suggested that I take the vacuum apart and give him the battery pack. I really get high enjoyment from taking things apart and assembling them. Whenever we buy anything that needs assembly, I do it. Barrister bookcases, gas barbecue, chipper shredder, bathroom cabinets, trimmer mower I have assembled them all. I got regular and phillips-head screwdrivers and a cup for the screws, and began. The vacuum cleaner was like a puzzle. I wanted to dismantle the unit as little as possible, since there would be a lapse of time between taking it apart and re-assembling it. However, every removed screw led...

PbO2 Pb 2H Sp

Automotive electrical system requires 12 VDC for operation. How is this accomplished with a basic 2 VDC lead-acid cell The cells are wired together in series, this makes a battery that has the combined voltages of the cells. A 12 Volt lead-acid battery has six (6) cells, each wired anode to cathode (in series) to produce 12 VDC. Cells are combined in series for a voltage increase or in parallel for an electrical capacity increase. Battery Capacity Battery capacity is the amount of energy a battery contains. Battery capacity is usually rated in Ampere-hours (A-h) at a given voltage. Watt-hours (W-h) is another unit used to quantify battery capacity. While a single cell is limited in voltage by its materials, the electrical capacity of a cell is limited only by its size. The larger the cell, the more reactive materials contained within it, and the larger the electrical capacity of the cell in Ampere-hours. A battery rated at 100 Ampere-hours will deliver 100 Amperes of current for 1...


10 TO 120 AMP PHOTOVOLTAIC CHARGE CONTROLLERS The PWM line of Taper Charge controllers provide complete and failsafe battery charging. State-of-the-Art MOSFET technology gives the fullest possible charge by trickle charging the batteries once they reach float voltage. This is not possible with unreliable relay series type controllers. Heliotrope offers 10, 20, 60 and 120 Amp controllers to meet any system requirement. Unique features include field selectable state-of-charge voltage selection, system voltage, and many more excellent features unique to each control. Request information on CC-10, CC-20 RV-20, CC-60 CC-120

Electric Vehicles

Wait Lead-acid batteries always take it on the chin when it comes to propulsive power packs. Okay, so they do have low electro-mechanical efficiency and low energy density. In a hybrid EV, they work adequately because there's less to do, and storage isn't an issue like it is in pure EVs. In the MBG, there is an OCU there to recharge them immediately. These factors tickle the thought that standard SLI (Starting-Lighting-Ignition) batteries COULD be used for the battery pack. Although not intended for deep-cycle, they are adept at the higher charge discharge currents involved, and good performance may justify more frequent battery replacement. It's worth investigating

Wireless Computer Control Device

Imp consists of an ergo-nomically designed, lightweight, battery-powered, wireless transmitter and a compact receiver which connects to a host computer's RS-232 serial port. The transmitter contains the control disc, which is used to control cursor motion, clicking, double-clicking, and dragging. The unit also has four user-programmable buttons. Cursor speed and direction are governed by light pressure on the control disc there are no moving parts to collect dust or fail. The receiver is powered by the host computer and contains indicator lamps that reflect communication activity and transmitter battery status. AAA batteries, and a user guide.

All commercial rights reserved by Electron Connection Ltd End users are granted rights to make single devices for their

In addition to the Pulsar, you will need the appropriate metering for information about the recharging process. A DMM with a shunt or ammeter is sufficient. To recharge a battery or a battery pack use the following procedure. 1) Turn the voltage control pot (R7) until the voltage is as high as possible. 2) Turn the amperage control (the duty cycle control- R3) to the minimum. 3) Connect the unit to the battery to be recharged via the diode (D7) output, and use an ammeter or shunt in this No, a VHF voice station can cost as little as 300 and spans a radius over 60 miles. An internationally talking HF Ham station will cost about 950 to set up. Most all ham gear is powered directly by 12 VDC and is a natural for operation on our home power battery packs. Used gear is much cheaper and sold at your local club's swap meets.

Letters to Home Power

Copper is not so hot, or maybe too hot, around sulfuric acid. Coating all the exposed copper with solder helps. All old battery cables used lead, either made the connector out of it, or coated the connector with it. Some still do. Do you have information on new battery technology Eugene LaTenfresse, Willow, AK

Linear Current Boosters

Several manufacturers are now marketing devices that promise to triple current output from a PV panel. These linear current boosters (LCBs) help eliminate the need for storage batteries or oversized arrays when running electric motors directly from the panels. Is this magic or simply alot of hype Actually it's neither. In keeping with Home Power's philosophy of delivering accurate and useful information on new renewable energy products, these devices were tested and their performance documented. The following article explains their operation and gives the facts and figures in how well they perform. When photovoltaic panels are connected to storage batteries, the match between load and source is pretty close to ideal. The panel is able to deliver close to maximum available power over a wide range of solar intensity, current, and voltage. It is only when PV panels are called on to power electric motors directly that a poor match takes place and we find that the panel is unable to...

Tests conducted by the Home Power Crew

We wired the unit to our 12 VDC battery pack, with a switch in line. The unit does not contain a switch, and this must be provided by the user. This is fine with us as we can locate the switch where we want, and not have it fixed on the fluorescent fixture itself. We wired the unit to the batteries with about 19 feet (total- both conductors) of 16 gauge copper wire. ole TV. All this radio gear is directly wired to the same battery pack as the fluorescent light. If there's any RFI in the neighborhood, our system hears it. We experienced minor hash on the CB to the tune of about 2 S units. Channel 2 on the TV also experiences minor dancing glitches on the video when the light is operating. We haven't had time to add a deglitch capacitor across the fluorescent light's power leads.

Induction Generation an exciting possibility

It should be instructive to note what makes up a complete battery charging system. The water driven turbine in turn drives a 1 3 H.P. three phase 230 VAC motor that has the three capacitors connected across the output lines. In this case power is generated at 120 VAC and can thus be transmitted very long distances with minimal losses. Then at the point of use three transformers step the 120 volts down to battery voltage and with a bridge rectifier, produce direct current. It looks like this You are probably wondering how induction generation works and why it isn't more widely used. In a stand alone system, the key to operation is the presence of capacitance. This gives electricity somewhere to go without the capacitors acting as a load. Thus enabling current to flow in the motor and get it all excited. Most motors I have tested as generators will start producing power on their own with the use of capacitors. This is due to the small residual magnetism in the rotor. It is also...

Flowlight Solar Pumps

I knew that the local Honda dealer wanted an arm and a leg for a new coil that he certainly didn't have in stock (usually 2 weeks minimum order time). So I started looking around for an alternative to purchasing a new coil from Honda. I was fortunate in that this engine is driving our 12 VDC alternator. This means that there is 12 Volt energy available to the motor as the alternator is wired to our large storage batteries. Such is not the case with pumps, etc. So I decided to convert the Honda engine from magneto ignition to battery coil ignition- just like an automobile. The battery coil ignition has several distinct advantages over magneto ignition. The intensity of the spark in a battery powered system is very hot regardless of the rotational speed of the engine. Battery powered ignition starts the engine easily when it is cold, and produces a more intense spark.

Car Voltage Regulators

Car voltage regulators will not work well in deep cycle applications. The regulator makes its decisions based only on the system's voltage. This is fine with the average car battery which is cycled to less than 1 of its capacity before being refilled. The deep cycle battery, however, is almost empty when it is recharged. The car voltage regulator attempts to instantly bring the system's voltage to about 14 volts. A 12 volt deep cycle lead-acid battery will not reach a voltage of 14 volts until it is almost filled. The net result is that the car regulator dumps the entire output of the alternator into the batteries until they are full. This is most always too much energy too fast for a fully discharged battery.

Po Box 548 Santa Cruz Nm 87567 505 7539699

Well, if you now use any type of portable electrical equipment and nonrechargeable (disposable) batteries, then these nicad wonders can save you a pile of money. The use of rechargeable batteries not only makes economical sense, but environmental sense also. Imagine the material, time and energy that go into making a battery. We use it once, and then it becomes a disposal problem-- an environmental liability. Cd + 2Ni (OH) Ask yourself how many AA, C or D sized flashlight batteries you have purchased over the years. Just about everyone, home power or grid person, uses flashlights, portable radios, pack around stereos, and myriad other battery eating portable gear. The nicad offers you the ability to recharge these batteries. This saves money and trips to town. In the case of home power types, we get to refill our small nicads from our larger AE systems. So instead of paying again and again for disposable batteries, we can refill our nicads using the sun, wind and water. cell's...

Things that Still Work

I was amazed that the RTV compound is still in perfect condition after 10 years in the sun. When we got the panel it had a fair amount of dirt and grunge covering its face. A little soap and water cleaned it up. The panel's face, made of special UV transmissive silicon RTV, is still clear and flawless. The panel is still sealed and shows no sign of weather degradation or moisture infiltration. We used a Fluke 77 Digital Multimeter (DMM) to test the panels electrical operation. We measured the open circuit voltage of the panel at 24.65 VDC. We hooked the panel up to a small lead-acid battery, including a blocking

Type and Size of Alternator

Just about any automotive alternator will work in these systems. What really counts is the size of the alternator. Its current output (amperage rating) should be sized to match the capacity of the battery pack. The more capacity the battery pack has the bigger the alternator which charges it must be. The alternator must be able to deliver at least a C 20 rate of charge to the batteries. We have had good results with 35 ampere Delco alternators for battery packs under 700 ampere-hours. Batteries up to 1,400 ampere-hours are fed with the 100 ampere Chrysler alternators. Packs larger than 1,400 ampere-hours should have a 200 ampere rated alternator. The higher amperage alternators are measurably more efficient than the smaller ones.

Expanded Scale Analog Battery Voltmeter

This metering circuit was developed by Electron Connection Limited for its customers. While Electron Connection encourages you to build this circuit for your own use, we do reserve all commercial rights to this design. The idea is to use an analog dc ammeter in a circuit that will accurately measure the batteries voltage. This circuit produces an expanded scale voltmeter. Most analog voltmeters start reading a 0 volts. This is really a waste for battery systems as a lead acid battery will have about 10 to 11 volts even when just about empty. So the portion of the meter's scale between 0 and 10 volts is not used.

The device must do what its maker says it will 2 The device must survive in home power service 3 The device must offer

We installed the Heliotrope in our shop on a pack of two Trojan L-16W batteries (12 VDC at 350 Ampere-hours). We used low loss 0 gauge copper cables with a combined length of less than six feet to feed the inverter. One of these cables is set up for current measurement, so we can measure the amount of current going into the inverter. Other instrumentation present to monitor the inverter's performance is a battery powered oscilloscope, a Digital Multimeter (DMM), and an iron vane type expanded scale AC voltmeter. The Heliotrope is a programmable inverter. It has a number of user selectable features that allow you to set it for your own particular needs. The inverter protects itself against the following conditions over temperature, over current, too low battery voltage, & too high battery voltage. Each of these protection functions can be either manually reset by the user or automatically reset by the inverter's logic. We chose the manual reset for the first portion of this test. This...

Charging Batteries Can Be A

In an article in Home Power 4, I discussed a working Wind PV system. There have been numerous requests for additional information on the Hydrogen Gas disposal system that I made to vent my lead acid battery pack. So here's how to make your own venting system out of off the shelf materials. And here's how it works Gerald Ames's battery pack complete with venting system Oxygen. Hydrogen and Oxygen gas is formed by electrolysis of water. In electrolysis, an electrical current (such as battery charging) breaks down water into its two elements. Hydrogen in the presence of Oxygen forms an extremely explosive mixture, which needs only a spark, to cause a violent explosion. A good example of what can happen was recorded on film with the explosion of the airship Hindenburg in Lakehurst, New Jersey on May 6,1937. Had the gases in Hydrogen and oxygen gas are produced within the lead-acid cells during recharging when the cells are approaching full charge. The amount of gas produced depends on the...

Fig 2 Resistive Field Controller

To compound the problem, the car regulator's voltage limit is set too low for deep cycle service. This low voltage limit means that the batteries are charged too slowly when they are almost full, resulting in many extra hours of generator operation to totally fill the battery pack. Since the car regulator is set at about 14 volts, we are unable to raise the system voltage up to over 16 volts for the essential equalizing charges.

Are Photovoltaics Right for Me

This still leaves many appliances which will be operating on the battery inverter portion of the system. Appliances like lighting, TVs, and Stereos are relatively small consumers but operate for hours at a time. The refrigerator turns itself on whenever necessary, and must have a continuous source of power. Small appliances such as the vacuum cleaner, sewing machine, food processor, VCR, and kitchen mixer are used intermittently, and it's not worth starting the generator just for them. Items such as these are prime candidates for battery inverter supplied power. It is convenient, silent, and available 24 hours a day without the generator running at the time. The batteries are periodically recharged by the generator through the battery charger built into the inverter. The Smiths draw up a list of each and every appliance they are planning on powering from the battery and inverter. On this list each appliance has its wattage noted, and an estimate of how many hours per day it will be...

Nomad 300

Solarex Solar Panels

Call us toll free or visit our website for more information about the NOMAD 600, SolarSense plug and play battery charging systems, great Christmas gift ideas and more The new array of six MSX-53, 50 watt Solarex PV panels replaced the hydro system and the older PVs. These changes proved quite stable. The GNB batteries lasted about six years, before being replaced with equivalent Trojans and new battery cables.

Its Happening

What is the efficiency of used batteries (car, phone co., etc.) The efficiency picture is pretty grim for used batteries. A new lead acid battery is around 70 to 80 efficient, and the used types vary widely depending on their condition. Since it is very difficult to tell the condition of a used battery without cycling it, don't to rely on used batteries unless you can check 3. What is the shelf life of a dry charged battery Dry charged lead acid batteries have been fully charged and then had their electrolyte removed. They can be stored for many years if they are kept dry and at room temperatures. 7. Is there a computer printer available that will run on 12 VDC system rather than an inverter Yes, several companies have computer equipment that will run on low voltage DC (Radio Shack & Compac). These computers usually have limited display capabilities to accommodate battery power. Many other types of 120 VAC computers can be easily modified for low voltage operation. In general, it is...

Zomeworks Ad

The Agua Alegre is equipped with two completely separate battery banks. This approach always assures one full battery pack to start the engine, and is common in most mobile systems. A special switch allows the engine to charge or be started from either or both battery packs. Each battery pack is composed of marine, lead-acid, batteries and has a capacity of 220 ampere-hours at 12 VDC. These

Power Conversion

The Pryor's are using a Trace 1512 inverter with built-in battery charger. This inverter converts the DC energy produced by the PVs and stored in the batteries into conventional 120 VAC, 60 cycle house power. It has a rating of 1,500 Watts output. John purchased the built-in battery charger even though he now lacks the 120 VAC powerplant necessary to drive it. John is looking forward to the day when he will have a large AC generator to handle periods unusual power consumption. The Trace contains a metering package that is very useful. John and Anita rely on this package for most of their system metering. This LED digital meter reads battery voltage, charge current from the built-in charger, and peak voltage plus frequency of any 120 VAC power source feeding the charger. This metering package is just the ticket for generator users. They can adjust the frequency of their powerplants using this meter's information. The Trace's battery charger accepts 120

Things that Work

We tested the 1512 at our site located about 12 miles from any commercial utilities. This place has been totally powered by alternative energy since 1976. Photovoltaics and motorized generators (both 12 VDC and 120 VAC) are the power sources. We hooked the 1512 inverter to 2 Trojan L-16W batteries (350 ampere-hours at 12 volts) for the test period. The 1512 was wired to the batteries with 0 gauge copper cables with a combined length of less than 6 feet. The inverter is used to power a variety of test equipment, computers, printers, power tools, kitchen appliances, and some lighting. The 1512 was constantly monitored by a DC powered oscilloscope (fully isolated from the 1512's output by its own internal battery power supply), a DVM, and an analog expanded scale AC voltmeter during the entire testing period of three weeks. Testing was conducted by Richard Perez. The 1512 has excellent voltage regulation and is within Trace's specs. Regardless of load size, load type, temperature, and...

Pob 442

A prime design consideration was to make the system be locally serviceable. This precluded the use of some of the fancier electronic equipment that is so useful to us in the U.S.A. The exception to this was the Enermax charge controller. We had to control battery overcharge and these units are nearly indestructible. Maintenance costs should be primarily battery replacement every 5-7 years, plus occasional light, fuse, and alternator part repairs. The leaves need to be cleaned off the screen

Top Secret

* Six Arco Tri-Lams, surplus from the Carrizo plant. These were my first panels, and they lived on the roof of my parent's house for four years. They did nothing more than charge a deep-cycle battery and run a 12 volt light, since I didn't have the experience to set up a full PV power system at the time. But they got me started.

Type Lumens Per Watt

This pump has to be no more than 10 feet above the source of water BUT it is pumping water 600 FEET from the spring to our house and maintaining VERY GOOD pressure (the pressure switch is set for 60 pounds). The only time we had to charge the batteries with the generator and battery charger was during November, December, and January. The only problems we've had with the pump is having to replace the pressure switch twice (if anyone purchases a system like this, it might be a good idea to order a couple of extra pressure switches - they only cost a few dollars and are very easy to replace). panels have no trouble keeping a single 12VDC marine battery charged. Direct from the battery we operate cabin lights, blender, vacuum cleaner, depth sounder, various radios, ni-cad battery charger, and a nifty heating pad that pre-warms the bed on cool nights. Marge is a seamstress and musician so the Trace inverter powers her sewing machine and a full 88-key...

Sam Coleman

He PV gen system is one in which the PV input is optimized for energy usage and backed up by a generator battery charger system. The necessary parameters for determining the components are as follows The inverter that is chosen must satisfy two of the above parameters. First its continuous wattage rating must be greater than the priority ac wattage. Second, its surge rating must be greater than the priority ac surge wattage required. The inverter chosen on this basis will determine your battery pack's voltage. Battery Pack Sizing The voltage of the battery pack is determined by the required DC voltage input of the inverter. The capacity of the battery pack is determined by the total usage (both ac and DC), the number of days of storage required, and the battery pack voltage. This can be determined by the following equation The factor of 0.9 relates to inverter inefficiency, while the factor 1.25 represents discharge to the 20 state of charge on the battery pack. Next determine the...


Originally, we put R.V. lamps in the kids room and a couple of lamps elsewhere in the house, powered of of an old car battery that we charged every time we went to town Town being a minimum 1 hour drive (one way), we would weave jumper cables from the truck battery through the passenger side mirror and door handle and into the back of the truck to the house batteries and drive off. It was important to remember NOT to get out of the passenger side door The soap shop has it's own motley assortment of PV panels, charging a couple of 12 volt deep cycle batteries to run lights, radio, and an assortment of ventilating fans that aid in the curing of the soap. We heat with wood and have converted a steam kettle over to propane for our soap making.

Trace Ad

Home Power tests the Heliotrope CC-60 PWM Battery Charge Controller Up to now charge controllers have been basically voltage sensing switches. Well, Heliotrope has a new approach to battery state of charge control. Their new CC-60 is a real STATE OF CHARGE controller-far more than just a voltage regulator. The CC series of controllers are very well made and can handle up to 120 Amps in either 12 or 24 VDC systems. This PWM (Pulse Width Modulation) controller is an all solid state, series type unit applicable in PV systems. The CC-60 arrived via UPS in fine shape. The documentation on the unit is rudimentary and reflects the just out nature of this charge controller. Heliotrope assured me that a new, illustrated installation and operations manual is in the works. inches deep. There are five status indicator LEDs (Charging, Charged, Overtemp, and Low Battery Voltage) on the control's front face. Battery voltage can be sensed via the main power wires or via dedicated separate wires...

Basic Principles

(1) A second reserve battery bank solves three problems by providing (A) a place to dump excess energy, (B) enough backup to reduce or eliminate the need for a backup generator, and (C) a way to enlarge or replace your battery bank without discarding the old batteries. You will note in our article on batteries that you should not combine batteries of different types or ages in the same set. Over the years we have had many customers phase out an aging battery bank that has lost capacity or is too small for expanding needs, by using it as the reserve set. This need not be complex. The simplest human regulator is simply a voltmeter, a switch, and you. When you see or anticipate your battery voltage approaching 15 volts (12V system), you flip the switch. The switch transfers all or most of your array to your alternate load, or turns your well pump or cooler on. When your voltage drops to 12.5 or so, then there is no longer excess energy so you flip the switch back to the normal full...


Cordless power screwdrivers save time and effort. For small projects, they are an inexpensive alternative to a cordless drill or screwgun. Most models include a removable battery pack and charger, so you can keep one battery in the charger at all times. Cordless power screwdrivers have a universal drive and come with a slotted bit and a 2 Phillips bit. Other bits such as Torx and socket bits are also available. Common screwdrivers include slotted screwdriver with insulated handle. Phillips screwdriver with insulated handle and oxide tip for better control, ratchet driver with interchangeable bits, offset screwdriver for driving in tight places and cordless power screwdriver with battery pack and pivoting shaft

Constant Current

Recharged at a fixed amperage rate until they are full. The voltage of the batteries is left unregulated until the batteries are full. The rate of charge is usually between C 10 and C 20. Constant current charging assures that the batteries are not charged too rapidly. Rates of charge greater than C 10 produce heat which can warp the heavier plates of the deep cycle batteries. Too rapid recharging wastes energy in heat, and gradually ruins the batteries.

Voltage Regulation

Voltage regulation only is OK for batteries that are very shallowly cycled. In shallow cycle service the battery refills almost immediately since it has only had a small amount of its energy removed. In deep cycle service the batteries have had about 80 of their energy removed before recharging. If deep cycle batteries are recharged from a source that is voltage regulated, they will be charged at the total output current of the source as it struggles to bring the batteries immediately to the set voltage limit. If the charging source has say 55 amperes available, then it will charge the batteries at this 55 amp. rate. If the battery is a 100 ampere-hour battery, then the C 10 rate for this battery is 10 amperes. The 55 amperes from the source would recharge the 100 ampere-hour battery at a rate over five times faster than it should be charged. This will result in premature battery failure, higher operating costs, and much lower system efficiency.

Source Capacity

Every AE system should have at least one power source capable of recharging the batteries at between C 10 to C 20 rates of charge. For example, a battery pack of 700 ampere-hours periodically needs to be recharged at a minimum of 35 amperes (its C 20 rate). To figure the C 20 rate for your pack simply divide its capacity in Ampere-hours by 20. The resulting number is the C 20 rate in Amperes. The C 20 rate is the minimum necessary for equalizing charges. If the batteries cannot be equalized they will fail more rapidly.

Power Storage

John and Anita use four Trojan L-16W batteries to store their electricity. This series parallel battery pack stores 700 Ampere-hours of 12 VDC energy. This amounts to about 8,600 Watt-hours of storage. Once the batteries have been derated by 20 (if you don't know why, then see Home Power 1- Battery article), there is 6,900 Watt-hours of usable energy stored in the battery. At the rate that John and Anita consume power, this battery pack stores about 3.3 days worth of energy for them. The cost of their batteries was 880. With proper care we expect these batteries to last about 10 years. Details on proper battery cycling and care are in Home Power 1.

System Operation

John and Anita are their own power company. They both watch their battery voltage and electrical consumption like hawks Generating their own electricity has taught them the lessons of conservation and energy management. They are looking forward to completing their system by adding more PVs and more batteries. Four more PV modules will make them almost totally solar powered. This will reduce their operating expenses and allow them to use more energy. Anita has a washing machine on the back porch that she's giving the eye. Since the data was collected for this report, John has moved his refrigerator freezer. This move from the warm kitchen to the much colder back bedroom has cut John's wintertime power consumption by about 40 . One such details the success or failure of AE systems rest. John reports that no matter the season, he can leave his system unattended and be sure of ice cubes in the freezer & full batteries when he returns. Thanks to the four PV modules on the roof. Since the...

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