If you are planning to charge one mower using a 120 V outlet and charger, then there are no special requirements. However, if you plan to charge multiple electric mowers and/or you plan to use a 240 V charger using a 240 V outlet, then we recommend that you consult with a licensed electrician to ensure that you have sufficient electrical capacity for charging.
120 VAC supply: The charger (Model: LEMC-3548) plugged into 120 VAC power supply will charge at 25amp 48v which uses about 12 amps of 120 VAC power (1500 watts).
240 VAC supply: When plugged into a 240 VAC supply, the output of this charger will increase to 35 amps 48 volts, which is about 9 amps at 240 VAC (2100 watts).
120 VAC supply: When plugged into a 120VAC supply, around 16.8 hours is needed to charge three completely depleted LEM-48140 batteries, about 11 hours to fully charge two batteries, and about 5.6 hours to charge one completely depleted battery.
240 VAC supply: When plugged into a 240 VAC supply, around 12 hours is needed to charge three completely depleted LEM-48140 batteries, about 8 hours to charge two depleted batteries, and about 4 hours to charge one depleted battery.