Rechargeable batteries are one of the best ways to save money and reduce e-waste. Upgrade this spring if you're still tossing out dead batteries. However, you need to be wary when buying ...

Thy introduced the battery technology in “Photo-enhanced rechargeable high-energy-density metal batteries for solar energy conversion and storage,” which was recently published in Nano Energy.

Cellphones of the past came equipped with rechargeable nickel-based batteries with (Ni-Cd and NiMH). In the past few years, however, most rechargeable batteries used in phones are Lithium-based.

The smaller battery packs boast well over 40,000 reviews rating them a stellar 4.8/5 star rating. These rechargeable batteries use NIMH battery chemistry. The AA battery stores up to 2,000mAh and ...