EVBD tool

Charging-time calculator

Estimate charging time from battery voltage, Ah, charger current and the starting state of charge.

Basic calculator

Charging time estimate

Enter battery size, charger current and the starting state of charge.

Voltage (V)Capacity (Ah)Charger output (A)Starting charge (%)

Estimated time

3.2 hoursUses about 504 W (72 V × 7 A), including an approximate 10% charging loss and taper allowance.