Yes it is. It is a source of electromotive force(otherwise known as electromotance)that tends to cause current (electrons and ions)to flow.
Yes,because AA batteries are also a source of electricity and a source of battery can replace LR 6 battery..:))
Batteries are a source of direct current because they product power (voltage and current) in only one direction.
They utilize the power of the force concentrated through a crystal, not batteries.
Simple source of direct current are Batteries.
Batteries are used now more so that ever. All of the hand held controllers, telephones, game consoles, portable radios all need batteries for their source of electricity.
Headphones do not use batteries, they use a power source such as an iPod or mobile phone.
batteries
Batteries, Battery, Automotive Battery, and a Car Battery
Batteries Plus is a good source.
yes, unless they're dead.
Batteries provide a voltage difference.
Yes more batteries/power equals more brightness to a source