The average life of laptop batteries is around 300 charges. A typical battery lasts for about 2 years.
The average life for a laptop battery is between 3 to 4 hoursand sometimes even less than 3 hours.
Laptop battery life depends on a variety of factors. Typcially Dell has higher rated batteries.
This Laptop has a projected battery life of 6 hours and 15 minutes. Additional batteries can be purchased separately.
Many companies offer less expensive alternatives to original manufacturer brand name laptop batteries. These include PCMS, Duracell and others. Some users have commented on shorter battery life for generic laptop batteries.
Batteries plus carries all the brands of laptop batteries, the only thing is dell would be cheaper.
About 4 hours is good for a laptop.
No some laptop batteries use different technology.
According to manufacturers, you should never remove the battery when the computer is plugged in. Removing the battery does not extend battery life because all batteries have "shelf" life and are no good after a certain time. Today's batteries actually will last longer if you keep it in the laptop.
Extra laptop batteries can be bought straight from the maker of the laptop or from the stores they are sold in such as Best Buy and Officemax.
Nothing difference between the original or replacement laptop batteries because the replacement laptop batteries have which is compatible for that original laptop. The replacement battery is also which can suitable for other original compatible laptop almost same. but only battery pack which difference from original.
AA battery have a 7 year shelf life on average.
Buy discount laptop batteries at a cheap price at Batteries.com. Batteries.com offers quality replacement Laptop batteries and Chargers for most brands of laptops and netbooks.