Found these specs online this is really hard to find, I am not in a hurry to sell this is stored inside, it would need to be gone through to start i haven't tested it and don't plan on it as i have too many projects, located here in town in Prineville, first comes first gets, neat looking charger. Voltage: 12 Volts DC,
Amperage: Usually between 30 to 50 Amps, about 3,600 RPM,
these gas-powered "rapid chargers" were built to jump-start or quickly charge heavy-duty equipment in the field. Rapid Charging: Because it is powered by a gas engine (likely 3–5 HP), it functions more like a high-output vehicle alternator than a standard plug-in charger