Calculator
Charging calculator
Pre-filled with JAECOO UK battery and charging figures. Enter your own tariff.
Cost of this charge (20→80%)
£10.15
Estimated time
5h 48m
Energy from the grid
40.6 kWh
Effective charge rate
7 kW
Cost per mile
7.4p
Annual home-charging cost
£742
Show the working
- energy into battery = 60.9 kWh × (80% − 20%) = 36.54 kWh
- grid energy = 36.54 ÷ 0.9 = 40.60 kWh
- rate = min(charger 7 kW, car unknown) = 7 kW
- time = 40.60 ÷ 7 = 5.80 h (simplified: real charging slows near 100%)
- cost/mile = 16.6 kWh/100km × 1.609 ÷ 100 ÷ 0.9 × 25p = 7.42p