So not only will the MH-CD42 charge your lithium-ion cells when given a nominal USB input voltage (4.5 – 5 VDC), it will also provide essential protections for the battery. That means looking ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Right now, you can grab the Newpow F1000 1A Battery Charger for ...

You can make your own lithium-ion batteries if ... If this type of battery hack is child’s play to you, take a look at a more involved lithium iron phosphate build.