EcoFlow DELTA 3 Ultra (3072Wh) delivers 3600W rated-output, with X-Boost™ 3.0 technology, it supports devices up to 4600W—effortlessly handling heavy-duty appliances [2]. The inverter samples AC voltage and current every 33µs with high precision with a DSP chip, ensuring a pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.
Go Hybrid—Extend Backup with a Smart Generator
Pair DELTA 3 Ultra (3072Wh) with an EcoFlow Smart Generator[3] to achieve longer runtime—automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventures.
4 Ways to Charge Up — Ready in Just 1.48 Hrs
Remote charging control for added peace of mind.
Wall Charging - 1800W Input, 0-80% in 1.48 hrs. EcoFlow’s exclusive Storm Guard Mode monitors severe weather alerts and automatically triggers AC charging remotely using industry-leading X-Stream fast charging tech—so it can be ready long before a disaster hits.
Generator Charging - With 1800W input, recharge to 80% in just 1.48 hrs. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Ultra (3072Wh) for storms, outages, and off-grid living.
Solar Charging - 800W Input, 0-80% in 3.37 hrs. Pair it with EcoFlow Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living.
Alternator Charging - With the EcoFlow Alternator Charger, get ready fast while on the move.
Deeper Insights, Easier Control
Monitor your energy usage and solar generation—all with one intuitive dashboard. Set timed charging/discharging missions so that you can charge during off-peak hours and discharge during peak rate periods to save costs.
Specs![]()
Net Weight
32.7±0.6kg
Dimensions (HWD)
625.99mm×327.71mm×394.95mm
Rated Capacity
3072Wh 51.2V 60Ah
Cell Chemistry
LFP(LiFePO4)
AC Output
120V~60Hz 3600W total (surge 7200W), 20A(x4) Max per port, 30A(x1) Max per port
X-Boost
4600W
USB-A Output
USB-A(x1): 5V-3A/9V-2A/12V-1.5A, 18W Max
USB-C Output
USB-C(x1): 5/9/12/15V-3A, 20V/28V--5A, 140W Max(HID)
USB-C(x2): 5/9V/12V/15V-3A 20V-2.25A, 45W Max per port, total 45W
Cigarette Lighter Output Port
12.6V, 10A, 126W Max
AC Input (Charge Only)
100-120V~15A 50/60Hz
Maximum PV Input Power(W)
800W
Optimal operating temperature
20°C to 30°C (68°F to 86°F)
Charge Temperature
0°C-45°C(32°F-113°F)
Discharge Temperature
-10 to 45°C(14°F-113°F)
Storage Temperature
-10 to 45°C(14°F-113°F)
Warranty
5-Year Warranty
*Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.
Communication Method
Wi-Fi & Bluetooth
EMC
Class B
UPS
<10ms
