A car battery left in a state of discharge can begin to deteriorate in as little as three days. This is also true for ...

The trade-off is a much smaller and lighter battery pack. Lead-acid batteries are similar to traditional car batteries, ...

A car battery charger and maintainer is a smart ... Common types include lead-acid, AGM, and gel batteries. Make sure the charger you pick is compatible with your battery type.

My car of the future is an electric racecar ... and see how far I could go with one kilowatt/hour (1.3 hp) of lead-acid battery. So far it's 53 miles in one hour, an Electrathon National Record.

We used the NEXPEAK 1.75-Amp Car Battery Charger on a variety of lead-acid automotive, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA, and maintenance-free batteries.

Many consider a vehicle’s engine to be its beating heart. But without a working car battery, you’re not going anywhere. Once your motor begins to crank slowly, it’s time to get your hands on ...

Larger portable jump-starting devices that clamp to a car's battery have become common in the past few years. But even smaller devices, which plug into a car's power outlet, are now on the market.

The battery pack uses four 3.5 V LiFePO 4 cells wired in series to achieve a nominal 12 V supply that stands in for a traditional lead-acid battery. The angel of second-hand purchases was smiling ...