This is a simple circuit named Lead Acid Battery Charger circuit. It is used to charge the lead acid battery. Lead Acid Battery is a rechargeable battery. The main advantages of Lead Acid battery is ...

Every car owner has, at some point in their vehicle ownership journey, dealt with a drained battery. If you haven't, consider yourself lucky. You might have left your car at a shop, gone on vacation, ...

All car batteries lose power over time. This isn’t a factor when the car is driven regularly, allowing the alternator to replenish the battery. But if the car is parked for an extended period, such as ...

This circuit was devised to switch power to a Peltier cooler in a vehicle. Power to the load from the vehicle’s battery is switched by a SPDT relay while the ignition switch is turned on and from the ...

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...

We earn commissions from purchases you make using links in our articles. Learn more. A car battery charger will make sure you can start your car if you're not using for a while. If you’re going to be ...

Your car battery can be a temperamental creature. It needs to remain at peak performance, all year long and in all kinds of conditions. The best way to keep your battery primed and ready for action ...

Why does it always seem like your car battery chooses the day you’re running late to get to work in the cold, dark, snow, or rain to give up the ghost and stop working? You jump in the car, turn the ...

Nerd Ralph loves cheap and dirty hacks, and for that we applaud him. His latest endeavor is a LiFePO4 battery charger that he made out of parts he had on hand for under $0.50 US. (Although we think he ...