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 ...

Tokyo – Matsushita Electric Industrial Co. Ltd. and Sanyo Mobile Energy Co. have separately developed new nickel metal hydride batteries that self-discharge far less than conventional NiMH batteries.

I’ve tested and reviewed EBL AA 2800mAh & AAA 1100mAh NiMH batteries and was very impressed. I often use them in my camera flashguns, flashlights, gaming console controllers and other gadgets around ...

I have some 1800mAh AA batteries. NimH type. They lose their charge over time, but continue to charge up fine. They are adequate. Recharging prior to needing them is an inconvenience but not a major ...

Virtually all battery-based power-management designs depend on the associated battery, so design starts by picking the specific battery type. The battery may be the non-rechargeable primary type or ...

Sometimes, your battery loses its power without you knowing. In some cases, people put their gadgets inside safe storage only to discover later that their 100% battery is not full anymore.

I run a ten team VEX VRC robotics club at the school where I teach (assembly most definitely required). The robots use 7.2v 3k mAh NiMH batteries with a Tamiya connector. The club is active from ...

Storing batteries at freezing or near freezing temperatures will greatly extend the amount of time they hold a charge, but only for some kinds of batteries. Read on to see which batteries don't need ...