Question about power lifting mode

Could someone give me a detailed description of how power lifting mode works? what is actually happening to allow the inverter to go above its output rating?

Note: power lifting mode is only suitable for resistance type loads, like motors, heating coils (ie: hair dryer, electric heater), and such devices. What it does is it lowers the voltage supplied until the current being supplied to the device is within the inverter’s capability to deliver power to it.

Say you have a 700 watt AC50B, and you want to run a blow-dryer rated at 1000 watts. Normally for 1000 watts on 120 volts you would need to supply 8.3 amps. If you were to plug that into the AC50B it would would reduce the voltage until it was supplying no more than 700 watts to the blow-dryer. The blow-drying would run, but would not get as hot as normal, and the fan would run slower. That’s fine for a blow-dryer, but if there are electronics in the device they will not run with a low voltage, and could even become damaged.

Normally it is best to leave power lifting mode off unless you know it is the type of device that will be OK with low voltage. There are certainly times were power-lifting can be helpful, like with a basic drip coffee maker, for example.

2 Likes

Thanks, Thats basically what I thought but wasn’t 100% sure. I appreciate you taking the time to explain it.

You’re welcome!