BLUETTI Elite 300 vs EcoFlow DELTA 3 Ultra
The BLUETTI Elite 300 holds 3,014 Wh against 3,072 Wh for the EcoFlow DELTA 3 Ultra, and gives 2,400 W against 3,600 W of continuous output. In October 2026 the Elite 300 cost $0.40 per Wh of rated capacity and the DELTA 3 Ultra $0.52. Neither is ranked above the other here: each row below shows where one leads, so the right pick depends on what you need to run.
Updated
The two in numbers
3,014 / 3,072Wh
Capacity
2,400 / 3,600W
Output
$0.40 / $0.52
Price per Wh
3.3 h / 5.1 h
Solar refill, peak sun
Figures read Elite 300 first, DELTA 3 Ultra second.
Which one suits what
One line per criterion, each with the numbers behind it. There is no overall winner: weigh the lines that matter for your list.
- Longer runtime on the same load: the EcoFlow DELTA 3 Ultra, with 3,072 Wh against 3,014 Wh for the Elite 300. Runtime follows usable watt hours.
- Bigger loads at once: the EcoFlow DELTA 3 Ultra, with 3,600 W against 2,400 W for the Elite 300. Continuous output caps what runs at the same moment.
- Motor and compressor starts: the EcoFlow DELTA 3 Ultra, with 7,200 W against 4,800 W for the Elite 300. The surge rating covers the start of a fridge, pump or tool.
- Carrying it: the BLUETTI Elite 300, with 58 lb (26.3 kg) against 72.1 lb (32.7 kg) for the DELTA 3 Ultra. Lighter is easier to move.
- Price per watt hour: the BLUETTI Elite 300, with $0.40 against $0.52 for the DELTA 3 Ultra. Prices as stored for October 2026; sale prices change often.
- Solar refill: the BLUETTI Elite 300, with 3.3 h of peak sun against 5.1 h of peak sun for the DELTA 3 Ultra. From empty at each station's own solar limit.
Running time, side by side
Each appliance on its own on a full charge, at 85% efficiency. Loads used for minutes a day show minutes of use.
| Appliance | Watts | Elite 300 | DELTA 3 Ultra |
|---|---|---|---|
| Phone charging | 20 W | 5.3 days | 5.4 days |
| Laptop (while charging) | 65 W | 39.4 h | 40.2 h |
| Wi-Fi router and modemestimate | 28 W | 3.8 days | 3.9 days |
| LED bulb, 60 W equivalent (800 lumens) | 8.5 W | 12.6 days | 12.8 days |
| TV, 55 inch LED (LCD) | 82 W | 31.2 h | 31.8 h |
| CPAP machine (no humidifier) | 11 W | 9.7 days | 9.9 days |
| CPAP machine with heated humidifier | 56 W | 45.8 h | 46.6 h |
| Oxygen concentrator (home, stationary) | 290 W | 8.8 h | 9.0 h |
| Box fan (20 inch) | 125 W | 20.5 h | 20.9 h |
| Refrigerator (modern, full size) | 275 W | 47.3 h | 2.0 days |
| Chest freezer | 300 W | 3.2 days | 3.3 days |
| Sump pump (1/2 HP) | 925 W | 2.8 h | 2.8 h |
| Drip coffee maker | 900 W | 2.8 h of use | 2.9 h of use |
| Microwave oven (1,000 W cooking power) | 1,530 W | 1.7 h of use | 1.7 h of use |
| Electric kettle | 1,500 W | 1.7 h of use | 1.7 h of use |
| Window air conditioner (5,000 BTU) | 525 W | 4.9 h | 5.0 h |
| Electric space heater (1,500 W) | 1,500 W | 1.7 h | 1.7 h |
Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer.
Specifications
| Specification | Elite 300 | DELTA 3 Ultra |
|---|---|---|
| Rated capacity | 3,014 Wh | 3,072 Wh |
| Battery chemistry | LiFePO4 (lithium iron phosphate) | LiFePO4 (lithium iron phosphate) |
| Cycle life | 6,000 cycles to 80% capacity | Not published |
| Continuous AC output | 2,400 W | 3,600 W |
| Surge rating | 4,800 W | 7,200 W |
| Boost mode | Lifting Power, up to 4,800 W for resistive loads | X-Boost, up to 4,600 W for resistive loads |
| AC outlets | 5 | 5 |
| AC voltage | 120 V | 120 V |
| 240 V | no 240 V output | Not published |
| TT-30 RV outlet | yes | yes |
| L14-30 outlet | no | no |
| USB-C | 2 ports, up to 140 W | 3 ports, up to 140 W |
| USB-A | 2 ports | 1 port |
| 12 V car outlet | up to 120 W | up to 126 W |
| Wall charging input | up to 1,800 W | up to 1,800 W |
| Solar input | up to 1,200 W | up to 800 W |
| Expansion batteries | no | no |
| Backup (UPS) switchover | 20 ms or faster | 20 ms or faster |
| Weight | 58 lb (26.3 kg) | 72.1 lb (32.7 kg) |
| Size (box) | 14.4 × 12 × 11.7 in | Not published |
| Charges down to | 32 °F (0 °C) | 32 °F (0 °C) |
| Runs down to | -4 °F (-20 °C) | 14 °F (-10 °C) |
| App connection | Bluetooth, Wi-Fi | Wi-Fi, Bluetooth |
| Warranty | 5 years | 3 years |
| Car charging input | Not published | up to 96 W |
| Ingress rating | Not published | IP20 |
| Noise | Not published | 25 dB |
Solar refill counts 75% of each station's own solar limit reaching the battery; at 4 peak sun hours a day, divide by 4 for days.
The two stations
BLUETTI's page for the Elite 300 (opens in a new tab) EcoFlow's page for the DELTA 3 Ultra (opens in a new tab)
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