EcoFlow DELTA 3 Ultra Plus Portable Power Station
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$2,025.97at ShopSolar: Complete Solar Kits + Lifetime Customer SupportChecked Nov 9
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The EcoFlow DELTA 3 Ultra Plus is a high-capacity portable power station with a 3,072Wh LFP battery that expands to about 11kWh with extra batteries or a Smart Generator. It delivers 3,600W continuous and 7,200W surge, enough for dryers, electric stoves and whole-home backup circuits. Its OASIS 3.0 app adds output priority, scheduling and Storm Guard auto-backup, and it recharges six ways, including wall and solar. It suits homeowners building outage backup and off-grid users who need serious runtime; it is far heavier and bulkier than mid-size stations like the DELTA 2, so portability is the trade-off for capacity.
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The EcoFlow DELTA 3 Ultra Plus is a portable power station for home backup, outages and off-grid use. It has a 3,072Wh capacity that can be expanded up to 11kWh with extra batteries or a Smart Generator. Output is 3,600W, with a 7,200W surge.
It uses automotive-grade LFP batteries with a CTC structure and an advanced BMS. The battery has a 10-year lifespan and is Class B certified. The fan is stepless and runs at 25dB. The unit is designed for extreme cold, heat, humidity and mobile use.
The OASIS 3.0 app offers real-time monitoring, remote control, scheduled tasks and Storm Guard Mode for automatic backup. Smart Output Priority lets you choose which circuits stay powered to extend runtime. For home backup, connect it through an inlet box or a manual transfer switch. It can power devices such as dryers, fridges and electric stoves.
