Question

How long will a 12V 100ah battery last?

Answer 1

To determine how long your battery will last, calculate the battery's total capacity and divide it by your circuit's power. Multiply the battery's reserve capacity by 60. With a reserve capacity, for instance, of 120: 120 x 60 = 7,200.Aug 7, 2017');})();(function(){window.jsl.dh('_MmOOYL_lB8fE0PEPgr6RuAI43','

How Long Will a 100AH Battery Run an Appliance That Requires ...

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It really depends on how many amps the appliance will use per hour. A battery with a 100ah rating assumes the usage will be 5 amps per hour, which means the battery will last 20 hours. Almost all deep cycle batteries use the 20 hour rate.