Motor Power ⇄ Battery Output Matching Tool

Light Mode

Quickly check whether a battery pack can reliably supply a motor. Enter either battery specs or motor specs (or both). Default voltage is 52V (common e‑bike).

How it works: Battery continuous current estimate = max( Ah × C‑rate, user override ). Motor current = provided motor current OR (motor W ÷ battery V). The tool applies the chosen safety margin to the motor current to recommend whether the battery is undersized, matched, or oversized for continuous operation.

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