Battery Charging Calculator

Calculate charging time, current requirements, and energy consumption for various battery types. Includes efficiency factors and charging profiles.

V
mAh
mA
%
%
%
Charging Profile
Battery Parameters

Battery Charging Reference

Typical C-Rates
Battery Type Standard Rate Fast Charge
Li-ion 0.5C 1C
NiMH 0.1C 0.3C
Lead Acid 0.1C 0.25C
Safety Guidelines
  • Never exceed maximum charge rate
  • Monitor battery temperature
  • Use appropriate charger
  • Avoid overcharging
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