Blog Posts - Battery Charger Circuits



Two Automatic battery charger circuit

A lead-acid battery charger circuit  is most popular though it will very large size than others battery type. But them have advantage are : cheap, easy to buy and long life if correctly uses. The charging is best importance. When I had 10 year old...

Solar Powered Battery Charger

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by world technical on Mar 1, 2012

Solar charger circuit diagram

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by world technical on Feb 29, 2012

Lead Acid Battery Charger

Lead Acid Battery ChargerBelow is a lead acid battery charger schematic using the famous IC LM 317. The circuit provides the correct voltage to charge the 12v sealed lead acid battery or 12v SLA battery. The charging current can be adjust with 1k...
by world technical on Feb 22, 2012

portable battery powered USB charger

This is a portable battery powered USB charger circuit. This circuit is able to charge your PDAs, Ipods, Mp3 players and any device that plug in to a computer USB to charge. If you fit this circuit in a small box with a 9V battery then it will bec...
by world technical on Feb 22, 2012

USB Powered Mobile Phone Battery Charger

This simple circuit can give regulated 4.7 volts for charging a mobile phone. USB outlet can give 5 volts DC at 100mA current which is sufficient for the slow charging of mobile phones. Most of the Mobile Phone batteries are rated 3.6 volts at...
by world technical on Feb 22, 2012

Charge your 12v Sealed Lead-Acid batteries

Charge your 12v Sealed Lead-Acid batteries It turns off and the LED flashes when the battery is charged . . .  Some typical Sealed Lead Acid batteries Before we go into the operation of the SLA Battery Charger circuit, there are a number...
by world technical on Feb 22, 2012


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