A battery charger is used specifically for rechargeable batteries. It cannot be used with regular batteries. It's a base that's plugged into an electrical outlet. You place the batteries on the base to charge them to be used multiple times.
Some battery chargers have an auto-shut-off system to stop any more charge being put into the battery when it is full. The idea of this is that it should prevent the cells from "gassing", which means...
Battery Charges reverse the polarity of your battery, so it is like reversing the reaction that occurs when you use the batteries. Your batteries will go out eventually though. because the reaction...
A battery charger is an electrical appliance which produces direct current at a voltage high enough to safely fill up a rechargeable battery with new electric charge.
OK, what does that mean?
To...