It depends on the laptop. If you have a small laptop like an EEE PC you could see 10-12 hours. If you have a mid-range laptop with a power-efficient processor you could get 6-8, and if you have it in a gaming rig laptop you may see around 3 hours.
battery life in milli amps per hour
battery life = -------------------------------------------------
Load current in milli amps per hour
how this helps
It depends on its usage.
how long does a 8800mAh battery last for?
The second one should roughly last twice as long as the first one. You can't really say how long as it depends what you are using the computer for, but whatever you are doing the second one will always last about twice as long.
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.
How long does a Battery 6 Cell battery last
about a year.
8hrs
Forever.
No the battery is built in but should last a long time.
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