The EcoFlow DELTA 3 Ultra Plus delivers robust, dependable power for off-grid living, emergency home backup, and remote worksites. Its substantial 3072Wh LiFePO4 battery paired with a powerful 3600W pure sine wave inverter effortlessly powers high-demand appliances, including full-sized refrigerators, electric kettles, and heavy-duty power tools.
Engineered for maximum versatility, this expandable energy solution supports rapid AC wall recharging, vehicle charging, and high-capacity solar input. Whether deployed in cabins, RVs, or lifestyle properties, it ensures continuous, high-performance power when you need it most.
Compatible with the EcoFlow ecosystem for expandable capacity, standard AC appliances up to 3600W, compatible solar panels, and vehicle 12V charging ports.
How to use
Place the power station on a flat, stable surface in a well-ventilated area. Connect devices to the appropriate AC, DC, or USB ports. To recharge, connect the unit to an AC wall outlet, compatible solar panels, or a vehicle charging port. Monitor the battery level and input/output status on the integrated display.
What's included
DELTA 3 Ultra Plus Portable Power Station
AC Charging Cable
User Manual
Frequently asked questions
Can the DELTA 3 Ultra Plus run a house?
It powers essential household loads such as refrigerators, lighting, internet equipment, and small appliances, and can be integrated into larger EcoFlow systems for broader home backup.
Can it run kitchen appliances?
Yes, the 3600W inverter allows it to operate kettles, coffee machines, microwaves, and most kitchen appliances within its power limits.
How long does it take to recharge?
Recharge time varies by method: fast AC wall charging replenishes the unit in a few hours, while solar charging speed depends on solar panel wattage and sunlight availability.
Is it suitable for off-grid cabins?
Yes, the unit is well suited for cabins, tiny homes, and remote worksites requiring dependable, portable energy.
Real feedback from power station owners across the USA
★★★★★
✔ Verified Buyer
Saved us during a severe outage!
"We lost power for 2 days during a storm in Texas. This Rentoos unit kept our full-size fridge, phones, and CPAP machine running without a hitch. Quiet, reliable, and charges insanely fast!"
JD
Jason D.
Austin, TX
★★★★★
✔ Verified Buyer
Perfect for off-grid RV camping
"Took this on a 2-week cross-country road trip. Ran our mini-fridge, laptops, and outdoor lights easily. Paired it with solar panels and never ran out of power once. 10/10 recommendation."
MK
Marcus K.
Denver, CO
★★★★★
✔ Verified Buyer
Unbeatable price with 70% off!
"I was skeptical about the 70% discount, but the build quality is premium. Free shipping was super quick (arrived in 3 days). Best emergency backup purchase I've made."
SR
Sarah R.
Tampa, FL
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