So [Travis] decided to upgrade it to make use of the ever-so-common, 18650 lithium-ion battery. Not looking to purchase any components [Travis] performed this hack using simple recycled household ...

Nerd Ralph loves cheap and dirty hacks, and for that we applaud him. His latest endeavor is a LiFePO4 battery charger that he made out of parts he had on hand for under $0.50 US. (Although we ...

Finally, a collector conducts the charge to the battery's exterior and through the load. When a battery is inserted into an electrical device, the device completes the circuit between the two ...

Car battery shopping has to be one of the least exciting parts about owning a car. Usually, it comes after several attempts at starting the vehicle, or after you had to call AAA to jump a dead ...

Most people don’t realize an electric vehicle (EV) needs, or even has, a conventional 12-volt battery. They’re rarely talked ...

What is the best solar battery overall? We've evaluated many solar batteries over the course of the year, and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...

Oupes 600W (595Wh): Not a bad little unit. I love that it has the LifePO4 battery. It performed about average (maybe a hair under par) and I feel like it could be cheaper. The name can be hard to ...

A promising best-of-both-worlds approach is the Our Next Energy Gemini battery, featuring novel nickel ... in automotive 12-volt batteries, and perhaps in dual-ion batteries.

I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games on my computer for as long as I can remember, which eventually (as it does for many) led me ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

It has a built-in plug that folds up for easy storage, and colorful lights that clearly indicate when each battery is dead (red), half-full (yellow), or fully charged (green). This is the charger ...

Northvolt's Swedish gigafactory, built to serve the European auto industry's transition to electric vehicles, has said the ramp-up of its battery production had progressed more slowly than planned ...