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How many 18650 batteries make a 100ah battery?

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If you have, for example, 2Ah lithium ion 18650 battery cell then each of those stores 7.4Wh (3.7V*2Ah=7.4Wh) of energy and you need 136 of them (1000/7.4 ~ 136) for a 1kWh battery.Apr 8, 2021');})();(function(){window.jsl.dh('8','');})();(function(){window.jsl.dh('_imybYP7WGKiZ_QaTq5CgCw44','
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Voltage * Amps * hours = Wh. Since voltage is pretty much fixed for a battery type due to its internal chemistry (alkaline, lithium, lead acid, etc), often only the Amps*hour measurement is printed on the side, expressed in Ah or mAh (1000mAh = 1Ah). To get Wh, multiply the Ah by the nominal voltage.

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