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The output of a fully charged battery is 13.80VDC - and so the 150 AH means the total capacity of thebattery is 2070 Watts. Typically, the cut-off voltage ismaintained at 10.5V (worst-case scenario) therefore, thebattery can be used for 25% of the rated power withoutre-charging.
Keeping this in consideration, what is the meaning of AH in battery?
An ampere hour (abbreviated Ah, or sometimes amphour) is the amount of energy charge in a battery that willallow one ampere of current to flow for one hour. An ampere is aunit of measure of the rate of electron flow or current in anelectrical conductor.
In this regard, how many hours does a 150ah battery last?
Actual time to discharge the battery fromfull charge condition depends on the load. Total current drawn overtime in hours will remain 150 Ah. However , thebattery is designed to carry 15 A for 10hours , or 7.5 A for 20 hours .
Heavier duty power tools will benefit from ahigher-rated battery pack, because they'll run forlonger before a battery needs to be charged or swapped outfor a fully charged one. When batteries of the same classare used, battery packs should perform similarly. With allthings being equal, only the runtime is longer.