Calculator › Wattage chart › EV charging (Level 1, 120V)
What size generator to run a EV charging (Level 1, 120V)?
Typical draw: 1400W running. Trickle charging ~3-5 miles of range per hour. Level 2 charging (7-11kW) is standby-generator territory.
SIZING PLATE1 LOADS · +25% HEADROOM
Total running watts
1,400 W
Peak (largest start)
1,400 W
Buy at least
1,750 W rated
Look for ~1,750W running / 1,400W surge or better.
Right size: Small inverter (1,800W / 2,200W surge)
Camping, tailgates, home office, CPAP and overnight essentials, one small appliance at a time. Quiet and light, but one large compressor surge can max it out.
See current prices on AmazonOne size up: Mid-size inverter (3,500W / 4,000W surge)
RV 13,500 BTU AC (especially with soft-start), fridge + window AC, storm essentials for smaller homes. The sweet spot of quiet, portability, and real capacity for most first-time buyers.
See current prices on AmazonAdd more appliances
Real outages aren't one appliance. Adjust the full load below — your EV charging (Level 1, 120V) is pre-checked.
This site earns commissions from qualifying purchases made through links to Amazon and other retailers, at no extra cost to you. Wattage figures are typical estimates — actual draw varies by model. Always verify against your appliance's nameplate, and consult a licensed electrician for any panel or hardwired connections.