A portable charger offers peace of mind and freedom that airport outlets, hotel lobbies, and coffee shops just can’t supply.

Lastly, this unit has a blockier shape than most ... The TG90° Portable Charger 6000mAh External Battery Pack is one of the smallest and lightest power banks we’ve tested, weighing just 4.1 ...

This half-inch square ultra-low power energy harvesting LiPo cell charger by [Kris Winer] uses ... the heavy lifting and has nifty features like battery health monitoring and undervoltage ...

Make dead batteries a thing of the past with these reliable and durable trickle chargers. When it comes to choosing a reliable and high-quality trickle charger, the options are vast and varied.

Because of their low amperage, a solar unit is used to offset any natural battery discharge, rather than recharge a weak battery. Most solar chargers come with a reverse charge blocking diode to ...

The demo unit I saw was pretty noisy about it all, but I’m told final production models will have much better sound dampening. Each external battery ... your phone into a charger again.

"These chargers are designed to be as versatile as the boaters who use them. One charger, multiple batteries, zero stress," ...

there are two approaches to take – a portable jump starter or a battery charger. Both of these products bring your battery (and car) back to life by feeding energy back into a dead battery.