Free Elektor Article: 0-30V Lead-acid Battery Activator
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Free Elektor Article: 0-30V Lead-acid Battery Activator

A well-known electronics store has been selling a very simple lead-acid battery activator for many years. Although I can't prove it, my lead-acid batteries do seem to last longer since I started using the activator. The principle behind this circuit is very simple. The battery is loaded...

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6V Lead Acid Battery Charger using BQ24450
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6V Lead Acid Battery Charger using BQ24450

6V Lead acid (SLA) battery charger project is based on BQ24450 IC from Texas instruments. This charger project takes all the guesswork out of charging and maintaining your battery, no matter what season it is. Whether you have a Bike, Robot,  RC Car,  Truck, Boat,  RV, Emergency...

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60V-input battery charger; Pb-acid & Li-ion charge algorithms up to 20A
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60V-input battery charger; Pb-acid & Li-ion charge algorithms up to 20A

LTC4013 is a highly integrated, high voltage multi-chemistry synchronous step-down battery charger controller. With a wide input voltage range that spans up to 60V, the LTC4013 uses temperature-compensated 3- and 4-stage charge algorithms to efficiently charge 12V and 24V lead-acid...

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Disconnect circuit for 12 volt lead acid and lithium batteries
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Disconnect circuit for 12 volt lead acid and lithium batteries

KA7OEI designed a circuit that disconnects the battery when it over-discharges. He writes: The avoidance of overcharging is usually pretty easy to avoid: Just use the appropriate charging system – but overdischarge is a bit more difficult, particularly if the battery packs in...

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Lead Acid Battery float charger
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Lead Acid Battery float charger

Nobilis @ instructables.com has build a lead acid float charger out of an old phone wall charger: If you do not use your motorbike on the winter or your car stands for weeks -- you better have a float charger connected to the battery. Otherwise you probably encounter engine starting...

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Buck battery charger handles multiple chemistries
IC

Buck battery charger handles multiple chemistries

by Susan Nordyk @ edn.com: The LTC4015 synchronous step-down battery charger controller from Linear Technology offers charge current of up to 20 A, multiple-chemistry operation, and onboard digital telemetry. The controller transfers power from a variety of input sources, such as...

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