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a 900 mAh battery will last longer than a 550 mAh battery they both must be the same voltage output though to be interchangable...mAh stands for milli amp hour ...the higher the mah number the longer the battery will last
The charger with the 900ma output will charge the battery faster than the charger with a 500ma outpu
These are two common ways battery capacity is measured. Wh stands for "Watt hours", and it's a measu
7900 - 7200 = 700
As an example, digital camera batteries with higher mAh values theoretically last longer without req
mAh is a measure of how much energy a battery can store - so a 2800mAh battery will last nearly twic