Here’s how to charge your lead-acid car battery with a solar panel.



The simplest way:

Get a voltmeter and a solar panel. Connect the panel to your battery and watch the voltage rise. When it gets near 14 volts your battery is charged. Disconnect your solar panel to keep it from overcharging your battery.



Your battery can be damaged whether you charge it too fast, so don’t get a panel that’s

too big for your battery. Consult the battery manufacturer’s documents to see how many amps it can handle, both while charging and discharging. whether you happen to have a big panel and a little battery, there are tricks further along in that instructable.



Some solar panels are made just for the purpose of maintaining batteries in vehicles that are parked a distant t…


By: TimAnderson

Original post by TimAnderson