Battery life depends on many factors:
- the battery chemistry
- the quantity and quality of the load on the battery
- the number of recharge cycles
- the length of non-use
- the age of the battery
- the internal design of the battery
- the usage
These are some of the basic factors that will dictate how long your battery will last. Personally I have seen some battery's capacity (ability to power a device) last for 36 months whereas other battery's last only 8 months. Road warriors (people who use their battery power 3-4 hours per day - or more - will generally use the useful life of their battery a lot quicker than those people who use their battery power about 10-15 minutes per day.
One thing for sure every battery will die. Battery Replacements however are easy to find however.
Until next time - Dan Hagopian, BatteryShip.com
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