Battery Charging Time Calculator
Quickly estimate the time required to charge a battery from the current level to the target level based on battery capacity, charging current, and charging loss.
Unit Explanation
- Battery Capacity: mAh or Ah
- Charging Current: mA or A
- Charging Loss: Typical range 10~20% (i.e., efficiency 80%~90%)
%
%
%
Calculation Formula
(Target Level - Current Level) × Battery Capacity
Charging Current × (1 - Charging Loss %)
0%
100%
0 h 0 min
Estimated Charging Time:
0.00 h
* For reference only. Actual time may vary due to many factors.
Important Notes
About the Result
The result is a theoretical estimate. Actual charging time may be affected by:
- Charger quality and charging strategy
- Battery and ambient temperature
- Battery aging
- Current variation during charging
- Battery protection circuit
Charging Loss Reference
- Linear charging: 10~20%
- Switching charging: 5~15%
- Wireless charging: 15~30%
- Fast charging: 10~20%