I apologize for the generator noise. I wanted to demonstrate that the Ecoflow Delta Pro Ultra CAN charge at 240V (which was a selling point for me) and still provide AC output to 120V loads without any disruption. I think the only thing that is disabled during 240V charging is the 240V output, which I am converting to a 120V 30A plug anyway on my unit. But the charging works fantastically and doesn't disrupt the power distribution at my off-grid site and building.

Been using this setup for about two weeks now, and it's been a significant upgrade to the Delta Pro units were were using before. We've invested in three of the Delta Pro Ultra Batteries so far.

Update: It's been three months, in the middle of summer with temperatures over 100F and our DPU has worked great.

Wanted to provide further clarification on charging, since many have asked: I am charging at 240V currently with the EcoFlow AC Generator Charging Cable (similar to the X-Stream cable for EV) and I'm charging at 4800-6000W while also powering a small building, my RV, and various other drop cords to odds and ends. All the later are 120v and the generator charging my unit is a Westinghouse with the 240V output port. I purchased a 4 Prong 30 Amp 50 Foot Generator Extension Cord, NEMA L14-30P/L14-30R cord to connect between the Generator and the EcoFlow AC Generator Charging Cable adapter, that plugs in on the right side in the middle. As for the other charging methods, yes, you can charge via regular 120V household outlet to the front AC input under the LV Solar Input.

There is another High Voltage Solar Input on the right side too, and I use that as well when I am transferring power from my older Delta Pro units to the DPU (in emergencies). I purchased a Switching Power Supply off Amazon that converts the AC output to 13A 1500W DC input, which is within range for the High PV solar port. I do that so that when I use appliances, etc it doesn't "pass through" charge to the DC charging method. The generator DOES surge a little bit when I put a heavy load on the DPU, like running a Microwave or Coffee Machine, so at least some charge is "passthrough" in that situation, but it seems to regulate and even out pretty quickly after the load it put on the system. I was still surprised by this because many of the AC ports are supposed to be 'Online UPS' that aren't affected by input, but in my case, they are, at least a little.

As noted, after three months, the DPU has done an amazing job for us this summer. It's regularly been over 100F this summer, and the AC, Fridge, and all our other building and RV appliances have worked great with only a single 2-hour recharge each day at 240V. I currently have three batteries and the Inverter and use about 2.25 gallons of fuel in the Westinghouse each day to recharge to 90% after depleting to roughly 35% each day.

Westinghouse ecoGen 10000: [ Ссылка ]
Delta PRO Ultra: [ Ссылка ]
Extension Cable: [ Ссылка ]
Switching Adapter (ships from China): [ Ссылка ]

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