There are 5 types of battery cells across the “general use” battery range, AA/AAA/D/C/9V.
The AA and AAA are used for very similar products such as:
- Children’s toys
The D/C are used for similar devices such as
- Large torches
9V is known mostly for remote controls and SMOKE DETECTORS!
Super Extra Heavy Duty is a low to medium quality battery, it is usually used for non high-drain devices such as wall clocks, radios, children’s toys.