Bluetti EP800
9920 Wh, 7600 W
EcoFlow DELTA Pro Ultra X
Home battery · DELTA Pro Ultra. Specs from the manufacturer page (checked ).
The EcoFlow DELTA Pro Ultra X is a LiFePO4 home battery system with 12.288 kWh standard capacity and a 12 kW, 120/240V, 60Hz inverter. It scales up to 36 kW with three parallel units and up to 61.44 kWh with one inverter and ten battery packs.
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Capacity
12288Wh
Continuous
12000W
Peak / surge
45000W
Solar input
10000W
Chemistry
LiFePO4
Expandable
Yes
Weight
34.5kg
Warranty
5yr
Key features
- Standard capacity 12.288 kWh (two 6144 Wh battery packs); up to 10 packs (61.44 kWh) with one inverter
- 12 kW AC output at 120/240V, 60Hz; up to 36 kW with 3 parallel units
- Adaptive Start handles surges up to 45 kW
- AC outlets: two NEMA 5-20 (120V 20A), one NEMA L14-30 (120/240V 30A), one NEMA 14-50 (120/240V 50A)
- UPS switching time under 10 ms standalone, under 20 ms with Smart Home Panel 3
- PV input total 10 kW over 2 ports, 80-500V, 15A per port
- Supports generator charging through an accessory adapter; does not send power back to the grid
- IP54 rating; noise below 30 dB at 0.5 m (4 kW output)
What it is for
- Whole-home power
- Home backup power
Specifications
| Capacity | 12288 Wh |
|---|---|
| Continuous output | 12000 W |
| Peak / surge | 45000 W |
| Solar input | 10000 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
| Noise | 30 dB |
| AC output voltage | 120/240V |
| Weight | 34.5 kg (76.1 lb) |
| Dimensions | 67.5 × 47.5 × 23.0 cm (26.6 × 18.7 × 9.1 in) |
| Warranty | 5 years |
From the EcoFlow page. Values the manufacturer does not publish are left out.
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | yes | 9.7 days |
| Chest freezer | 100 W (500 start) | yes | 13.5 days |
| CPAP (no humidifier) | 35 W (40 start) | yes | 11.6 days |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 6.8 days |
| Wi-Fi router + modem/ONU | 12 W | yes | 33.8 days |
| Starlink (standard dish) | 60 W (100 start) | yes | 6.8 days |
| TV 50" | 75 W | yes | 5.4 days |
| Sump pump 1/2 HP | 920 W (2150 start) | yes | 11 h |
| Well pump 1/2 HP | 880 W (2000 start) | yes | 11 h |
| Space heater 1500 W | 1500 W | yes | 9.3 h |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
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On our lists
Best power stations for a refrigeratorBest power stations for a sump pumpBest power stations for a well pumpBest power stations for a space heaterBest power stations for an oxygen concentratorBest home battery backup systems
Connection and wiring
We have not linked an official manual for this model yet; see the EcoFlow page.
Error codes and troubleshooting
We have not found an official code table for this model yet.
FAQ
How long will the EcoFlow DELTA Pro Ultra X run a refrigerator?
About 232 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the EcoFlow DELTA Pro Ultra X start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 45000 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.