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

The right one can preserve the charge and protect the battery when your car is parked for an extended periodBy Jeff S.

Almost every electric car sold today can charge at a rate of at least 50 kW, while many operate at 100 kW or more, and some ...

The best portable charger is the Iniu Portable Charger Power Bank, and it’s on sale at Amazon for Black Friday. We tested the ...

Amazon has the EcoFlow Power Hat on sale for 39% off for Black Friday. The wearable solar charger can power your phones and ...

Whether you're looking for a portable charger that's budget-friendly, high-capacity, or simply fits into your pocket, Black ...

Yes. That’s why our first choice is a trickle charger — sometimes called a battery tender. It plugs into a wall socket, ...

And now, the one that I swear by – never leave the house without it – is down to its lowest price ever, courtesy of Amazon.

Save 57% on this portable and wireless Apple Watch charger that comes with USB-A and USB-C connectors for only $29.99 (reg.