Trickle charging happens when your smartphone or tablet charges fully but remains plugged in, getting small amounts of electricity to keep its battery at 100%. If you plug in your tablet each night ...

Mellow Labs] wanted to grab a multimeter that could do Bluetooth. Those are cheap and plentiful, but the Bluetooth software ...

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

I've worked hard over the past few years to move away from disposable alkaline batteries and replace them with rechargeable equivalents. After all, there are some great brands of rechargeable AAA, AA, ...

Braden Hagen, owner of Motorheads Auto, said dead batteries are one of the top issues his shop sees once cold weather sets in ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...

Two years, 40 phones, real results on fast charging and battery health. Learn why 30 to 80 percent helps a bit and when to ...

For years, Tesla Powerwall has been the go-to recommendation for “normals” looking for a painless, low-effort experience from their first home solar and battery backup solutions. Its CEO’s recent ...

A capacitor is an essential component in many electrical and electronic circuits. It stores and releases electrical energy when needed, helping regulate voltage and maintain power stability. Over time ...

I looked at three years of exclusive CNET data of iPhone performance to find out which models hold their charges best. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...