A battery pack manufacturer has released a new solution for Tesla Roadster with aging battery packs. It would slash ...

If you're tired of swapping out AA batteries from your Xbox wireless controller, here's a super inexpensive alternative.

A car battery left in a state of discharge can begin to deteriorate in as little as three days. This is also true for motorcycles, quads, or anything else with a rechargeable lead-acid battery.

80% is the "magic number" for many rechargeable batteries ... interested in something small to work for your personal charging needs but those pocket-sized battery packs just don't cut it ...

You can find tons of battery packs from unknown brands on Amazon, but I’d recommend going for a brand with a years-long reputation for building reliable products that last. (This is a category ...

For comparison, the 53 kWh battery pack in a Hyundai Ioniq 6 is rated at 153 Wh/kg, Tesla's superior 4680 cell is believed to come in at 232.5 Wh/kg. This tech also charges awfully fast ...

GM is launching its new PowerBank home battery unit today, which slots right into the company’s lineup of residential energy management products. The battery lets homeowners collect energy at ...

Fanttik E1 Max 3.7V Mini Electric ... 43% on this rechargeable flashlight with pivoting head at Amazon. $53.49 at Amazon (Save $41.50) 13. DeWalt 20V Max Lithium-Ion Battery 2-Pack and Charger ...