Battery unit converter

Convert between Wh, Ah, mAh, Voltage and Watts (power). URL: battery-unit-converter

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When converting between Wh and W, specify the time: W = Wh / hours.

Default voltage used for Ah↔Wh: 48 V
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Enter values and click Convert.
Notes:
• Wh = V × Ah. • Ah = Wh / V. • mAh = Ah × 1000. • W (watts) is power: W = Wh / hours. Specify duration when converting to/from W.
• If you convert mAh to Wh, remember to supply the nominal voltage (e.g. 3.7V for single‑cell Li‑ion pouch, 36/48/52V for e‑bike packs).