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 ...

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 ...

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.