Originally Posted by Barney1
it looks like you would want the 1600watt or 2000watt version.
They indicate that they will charge a 12v battery the 800watt will not.
As others have said, I'd be leery of noise with no DB rating.
OTOH, you can run a 25 amp battery charger on about 300-400 watts so an
800 watt genny will easily charge batteries.
Power in Watts = Amps times Volts
So 12 volts times 25 amp charger = 300 watts plus normal losses.
That's why I said 300 to 400 watts.
Still that's half the max output on that genny.