Mine lasted exactly 17 minutes the first time I tried it. I hope the battery life does not shorten that much my intent was to keep my appartment clean as I dirty it; unfortunately no go.
a car battery last for about 3-5 years
As long as the battery is kept charged then it should last 3-5 years.
a panasonic triple a battery last about 4 hours nonstop.
about a year.
8hrs
Forever.
No the battery is built in but should last a long time.
Dyson fans can lost for numerous years, upwards of 10 or 15 years if properly maintained. They can be properly maintained by keeping them clean with regular dusting and not leaving them on when unneessary.
A Sanyo phone battery last just about as long as any other battery. Most batteries are manufactured by just a few different manufacturers, and then rebranded.
If you divide the 5000 mAh by the current used (in mA), you will get the number of hours the battery will last.
About eight hours
about 5 years