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 ...

Basic trickle chargers slowly replenish the battery, but they need to be monitored ... Resist the urge to route the wire ...

Even if you've never used jumper cables before, they're still an excellent way to get your car rolling again when you don't have a charger. Using jumper cables to revive a dead battery is a fairly ...

Disconnect all peripheral devices and the charger. Remove the battery. If your laptop has ... Might be the wall socket has the wrong wiring. Call a technician to check the socket wiring.