8hrs
15 hours....................
depends wat on more then a normal battery anyway
One long hour.
21 hours is how long.I did a science fair project on it.Dollar General brand batteries last longer than 5 hours!
Guinness world record confirmed that Panasonic's EVOLTA AA batteries are the longest lasting.
S&P has maintained a AAA rating on the US since 1941. Moody's has had an Aaa rating on the US since 1917 and Fitch has had AAA rating since 1994
60 years
AAa
A AAA Duracell battery typically lasts between 3 to 5 years when stored properly in a cool, dry place at room temperature. The actual usage time of the battery will depend on the device it is used in and how frequently it is used.
AAA batteries are one of the most common household batteries that there are, therefore, there are easily obtainable. Sold at any supermarket or drug store, they can also be found at an electronic or battery store. How long they last depends on how much you use them. If they are a daily device, such as a kitchen timer, they would last for a month or two, however if you put them in a toy that a child often plays with they may only last two weeks.
AAA is the size of the battery, there are many types and makes of AAA battery and the shelf life for each is different.