How to Recharge 18 Volt Batteries?

Answer A major breakthrough in auto repair as well as in the construction field is the advent of cordless power tools. These cord-free wonders make many tasks more enjoyable. They provide the freedom to m... Read More »

Top Q&A For: How to Recharge 18 Volt Batteries

Is there anywhere where I can get a 12-volt car plug to recharge 9-volt batteries?

How to Troubleshoot Power Wheels 12 Volt Recharge Batteries?

Power Wheels, manufactured by Fisher Price, are child-sized vehicles that are built to resemble actual vehicles, like Jeeps, trucks and cars. These vehicles are powered by 10- or 12-volt, rechargea... Read More »

Is it okay to connect a 3.7 volt li-ion (900mAh) and a 3.7 volt li-ion (1000mAh) batteries in parallel?

I don't recommend doing it. Before that, though, if you're trying to increase the mAh rating, then parallel connection of two identical voltages will do what you want. Voltages in series will add... Read More »

Can you use two 12-volt batteries wired in series with a 12-volt trolling motor?

No. Wiring in series stacks the voltage being delivered. Two 12-volt batteries in series deliver 24 volts, which causes permanent damage and a fire hazard in a 12-volt trolling motor. Wire the batt... Read More »