After earlier USB-C discussions, I'm wondering about chargers for rechargeable NiMH AA and AAA batteries. These batteries are still amazing work horses after many decades, having upgraded their mAh ...

Over the past decade, I’ve grown used to charging every electronic gadget with USB power. Whether it’s the Micro USB of my keyboard, the USB-A of my charger block, or the USB-C of my vaporizer, it’s ...

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The project makes the USB port a convenient source of power for devices such as battery charger for a pair of AA Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) cells. The USB standard specifies ...

The latest generation of NiMH (Nickel-Metal Hydride) rechargeable batteries tend to have a low self-discharge rate. Why does it matter? Well, in the past, you’d often fully charge NiMH batteries only ...

Tired of having your battery-powered apparatus die on you and having to keep buying more batteries? Try the Linogy Battery Charger.

Perhaps the most surprising product unveiled by Apple last week was its new environmentally friendly $29 Battery Charger and six AA batteries. AppleInsider offers a look at the rechargeables that will ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman ...