Max K is using a Raspberry Pi RP2040 to power his custom automated battery charger that doubles as a beautiful desk clock.

You get into your vehicle, turn on the ignition, and now the battery is dead — all because you left your headlights on ...

Lithium batteries now form an integral part of modern-day living and can be seen in multiple applications such as power tools ...

Of course, you can replace your batteries when needed - but an affordable alternative is using rechargeable batteries and a ...

Objectively, the most reliable and stable way to install a smart doorbell is to wire it in permanently. However, overall, ...

there are two approaches to take – a portable jump starter or a battery charger. Both of these products bring your battery (and car) back to life by feeding energy back into a dead battery.

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 ...

If you've ever wondered what the best way to charge your battery is, here are some scientifically proven tips for maximizing ...

Winter is the toughest time of the year for your car’s battery, so having a good battery charger ready to go when a helping hand is needed is a worthwhile precaution. Today’s electronics ...

The chargers have many icons and lights that either flash, stay solid, or alternate depending on the battery's condition. Additionally, on each charger's panel, there is an indication of what each ...

If you’ve noticed your iPhone charging more slowly than usual, iOS 18 now provides a convenient way to check and fix charging ...

But if you're old NiCad charger dies, you might find yourself wondering if one of the new 18V One+ battery chargers would work in its stead. Unfortunately, that doesn't seem to be the case.