The time required to charge the 64 kwh battery from 0 to full is 45.7 hours.
A level 1 120 V charger supplies a power of 1.4 kW at 20 A.
Since we need to charge a 64 kwh battery with a level 1 120 V charger, the total energy required by the battery is E = 64 kwh.
Since the power rating from the charger is P = 1.4 kW, we know that
energy, E = power, P × time
So, time = energy/power
So, the time required to charge the 64 kwh battery from 0 to full is
time = 64 kwh/1.4 kW
= 45.71 hours
≅ 45.7 hours
So, the time required to charge the 64 kwh battery from 0 to full is 45.7 hours.
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