Battery charger
If you have a spare camcorder battery charger and you
want to charge up your cell phone, don’t even try it. Make sure
you have the right kind of charger for the right kind of device.
Even though you can recharge your battery hundreds of times, as time
goes on the battery gradually loses power. This means instead of the
battery being 100 percent after being charged, it slowly will only go
up to 90 percent, then 80 percent, and so forth until you really have
to buy a new replacement.
A battery charger is an indispensable thing but you will periodically
have to buy new batteries for your rechargeable electronics.