Battery Life Calculator

Estimate the hours left in your battery life.
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Battery Life

(mAh)

(mA)

Runtime

(Ah)

(W)

Battery Life =
Battery Capacity in mAh ÷ Load Current in mA
X
Consumption Rate (0.7 default)
Runtime =
10 x Ampere Hours (Ah)
÷
Load in Watts (W)
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