Battery C-rate

Simple estimate calculator for charge time from user-provided Ah capacity and charging current.

Calculates required load energy, nominal battery energy and Ah capacity for a target autonomy time.

Estimates storage energy from nominal voltage and amp-hour capacity.

Estimates storage runtime from available energy and load power.

Calculates helper usable energy from user-provided nominal energy, depth of discharge, and efficiency.

Estimates current from C-rate and battery capacity.