We put five automobile battery chargers and maintainers to the test to see which ones will best keep your vehicle's battery ...

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 ...

Not all cars are meant to be driven every day. If you own a special vehicle, such as a classic or sports car, you probably keep it tucked away somewhere until you're in the mood to take it for a spin.

A couple of decades ago, having a dead battery usually meant pulling out jumper cables and hoping your friendly neighbor (if you didn't own a secondary car) would be kind enough to give you a jolt to ...

PITTSBURGH, Sept. 18, 2025 /PRNewswire/ -- "I wanted to create a portable backup power source for an electric vehicle, said ...

The chances of being caught stranded are practically non-existent if you have a reliable jump starter. Here are the very best ...

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 ...

From Li-ion to NiMH, the VX2 Pro brings professional-grade charging, testing, and storage management into one compact, ...

The innovative battery technology is also 10% more efficient than conventional EV systems with the same-sized battery pack, potentially extending range without increasing battery capacity. Each ...