If you’re considering an EV or plug-in hybrid, you must also consider how you’ll keep your new vehicle’s batteries charged. You’ll need a home charger that fits the capabilities of your new EV and ...

Battery technology has evolved significantly since the days of the nickel-cadmium pack. But while newer chemistries like nickel metal hydride and lithium-ion, coupled with advances in charging ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Last month, we examined the issue of depleting a battery beyond its nominal discharge voltage.

Ready to drop disposable alkaline batteries for rechargeable AAs and AAAs? Not so fast, you first have to figure out which ...

Your iPhone uses a lithium-ion battery that degrades over time, but there is little reason to worry about battery health in a new device. Here's what you need to know about your iPhone's battery.

Editor’s note: This article is part of our roundup of USB-C battery packs. The simplest way to discuss electrical power is in units of volts (V), current measured in amperes or amps (A), and watts (W) ...

USB has become as much a standard for connecting power to portable devices as it has for serial communication. Recently, the power aspects of USB have been extended to cover battery charging as well ...

Specifics of the charging and discharging steps of a cell charger/discharger. How to achieve regulation via feedback. A look at the 4-wire connection to the cell. Charging and discharging are the most ...