If your car's battery needs a boost with a 12V charger, you may be wondering how long the whole ordeal will take. A bit of a wait is better than alternatives.

Here is a crude but efficient tricky charger for Lead Acid Battery. It uses a 12 volt car bulb as current regulator and charge status indicator. The brightness of the bulb indicates how much charge is ...

The Deltran Battery Tender Junior 12V Charger and Maintainer is overly simple because of its almost singular purpose—ensure your classic starts up the next time you turn the key.

Need to charge your car's battery? A trickle charger will help you do so safely and without a ton of equipment, but don't expect it to be quick.