Estimate charging time from capacity, starting state of charge, charging current and efficiency.
Results are for information and preliminary estimation. For critical technical work, manufacturer data, local codes and qualified professional review take precedence.
Required Ah ≈ capacity × missing state-of-charge. Time ≈ required Ah / charging current / efficiency. Tapering near full charge can extend real time.
Charging a 100 Ah battery from 50% at 10 A will typically take more than the ideal five hours.
Electrical and energy calculations are not final designs by themselves. Load profile, conductor conditions, protection, efficiency and local codes must be considered together. Sorsana tools are intended for preliminary sizing and scenario comparison.
Many charging profiles reduce current as the battery approaches full charge.
No. Follow the manufacturer’s charge-current and temperature limits.
Tell us if a calculation is unclear, incomplete or appears incorrect.