DEEP CYCLE BATTERIES
11. HOW LONG WILL A DEEP CYCLE BATTERY LAST ON A SINGLE CHARGE?

Discharging, like charging, depends on a number of factors such as: the initial state-of-charge, depth-of-discharge, age, capacity of the battery, load and temperature. For a fully charged battery at 70o F (21.1o C), the ampere-hour rating divided by the load in amps will provide the estimated life of that cycle. For example, a new, 72-ampere-hour battery with a 10-amp load should last approximately 7.2 hours. As the battery ages, the capacity is reduced.


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