Editor’s note: Battery charging in a float or maintenance mode has been around for a while, especially for standby power, emergency lighting, telecom, uninterruptible power, and other critical power ...

Q: Should the battery be disconnected if a car is not used in the winter? In this case, it would be about five months. Does disconnecting the battery mess with the computer? Will I have a problem when ...

The humble battery charger has evolved to a smart, microprocessor-controlled battery charger-maintainer, able to detect weak batteries and—to an extent—“repair” them, alert the operator to dangerous ...

When we saw [Max.K]’s automatic NiMh battery charger float past in the Hackaday tips line, it brought to mind a charger that might be automatic in the sense that any modern microcontroller based ...

Float chargers will automatically turn on and off as it detects the battery level dropping or reaching full capacity. These are best if you're planning on leaving the car plugged in for a long time ...

A charged battery is a happy battery. Keeping your car’s battery properly charged is essential to long life and reliability. When you drive, your car’s charging system keeps your battery topped up.

Bigger isn’t necessarily better. The CTEK 800 works just fine as a motorcycle battery charger, even though it’s the entry-level unit. And there’s a bonus: it’s cheaper and less complicated. Nothing ...

Whether you're getting ready for a road trip or just popping to the store -- there's nothing worse than finding your car battery drained. Sure, you can always ask a neighbor for a jump to give your ...

Harbor Freight carries almost anything you could need, including useful car accessories like battery chargers. Here are the best of the bunch.