In this article, I will take apart a Li-ion alternative to the classic 6F22 9V battery. This battery is a Chinese 9V/500mAh USB rechargeable Li-ion battery (sold under the brand name infinite). The ...

Replacing smoke alarm batteries can be a hassle. It always seems that just as soon as you've installed fresh ones, the low-battery warning is beeping at you again. Many homeowners wonder why their ...

When the power fails on a subzero night, your alarms are only as trustworthy as the batteries hiding behind their plastic ...

Lithium-ion batteries, found in many popular consumer products, are under scrutiny again following a massive fire this week in New York City thought to be caused by the battery that powered an ...