Welcome to EcoFlow Support

Welcome to EcoFlow Support

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FAQ

Is AC passthrough possible with a 120V input?

Use the C20 outlet for a bypass mode with a 120V input. There is no bypass mode for 240V input.

What is the EcoFlow DELTA Pro Ultra Inverter's surge rating, and how long does it last?

LRA 120A; 10.8kW peak watts for 10 seconds.

Can an electrical appliance plug directly into EcoFlow DELTA Pro Ultra?

Yes. EcoFlow DELTA Pro Ultra (Inverter + Battery) works as a standalone unit powering electrical appliances of up to 7200W. There are 11 outlets on the inverter, including NEMA 5-20, TT30, L14-30 supporting 30A, USB-C, and USB-A.

What is the charging power and time of a single battery?

With only one battery pack, the fastest charging input is 6200W, taking about 92 minutes to charge from 0% to 100%. When there are two battery packs, the fastest charging input is 8800W, and it takes about 1 hour and 56 minutes to charge from 0% to 100%.

Can EcoFlow DELTA Pro Ultra power a several-ton air conditioner?

One EcoFlow DELTA Pro Ultra can power a 3 ton central air conditioning unit. 2 x DELTA Pro Ultra can power two 4-ton central air conditioning units, 3 x DELTA Pro Ultra can power three 4-ton central air conditioning units, but the LRA rating must be within 120A.

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