Savant Power Storage 20
20000 Wh, 12500 W
Bluetti EP760
Home battery · EP760 ESS. Specs from the manufacturer page (checked ).
The EP760 is a 19840 Wh LiFePO4 home energy storage system with 7600 W output, made by Bluetti. It is built from an EP760 inverter, a B500 battery and an IoT controller, and the manual includes instructions for stacking the EP760 ESS.
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Capacity
19840Wh
Continuous
7600W
Solar input
9000W
Chemistry
LiFePO4
Expandable
Yes
Key features
- 19840 Wh capacity
- 7600 W output
- LiFePO4 chemistry
- Components: EP760 inverter, B500 battery, IoT controller
- Stackable: the manual includes a 'Stacking the EP760 ESS' section
Specifications
| Capacity | 19840 Wh |
|---|---|
| Continuous output | 7600 W |
| Solar input | 9000 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
From the Bluetti 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 | 15.6 days |
| Chest freezer | 100 W (500 start) | yes | 21.8 days |
| CPAP (no humidifier) | 35 W (40 start) | yes | 18.7 days |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 10.9 days |
| Wi-Fi router + modem/ONU | 12 W | yes | 54.6 days |
| Starlink (standard dish) | 60 W (100 start) | yes | 10.9 days |
| TV 50" | 75 W | yes | 8.7 days |
| Sump pump 1/2 HP | 920 W (2150 start) | yes | 17 h |
| Well pump 1/2 HP | 880 W (2000 start) | yes | 18 h |
| Space heater 1500 W | 1500 W | yes | 15 h |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
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Connection and wiring
Follow the diagrams in the Bluetti manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Bluetti manual (PDF) →
Error codes and troubleshooting
| Code | Meaning | What to do | Manual page |
|---|---|---|---|
| 10 | A hardware-level overcurrent on the LLC1 input. The manual lists it as a fault code without further explanation. | Please contact the BLUETTI support team. Call service if it persists. | 27 |
| 26 | A hardware-level fault on the PV1 input. The manual lists it as a fault code without further explanation. | Turn off the inverter and wait 30 minutes to restart it. If the symptom persists, please contact the BLUETTI support team. Call service if it persists. | 27 |
| 27 | A hardware-level fault on the PV2 input. The manual lists it as a fault code without further explanation. | Turn off the inverter and wait 30 minutes to restart it. If the symptom persists, please contact the BLUETTI support team. Call service if it persists. | 27 |
| 28 | A hardware-level fault on the PV3 input. The manual lists it as a fault code without further explanation. | Turn off the inverter and wait 30 minutes to restart it. If the symptom persists, please contact the BLUETTI support team. Call service if it persists. | 27 |
| 34 | A hardware-level overcurrent on the input. The manual lists it as a fault code without further explanation. | Turn off the inverter and wait 30 minutes to restart it. If the symptom persists, please contact the BLUETTI support team. Call service if it persists. | 27 |
| 5 | A hardware-level overvoltage on the inverter BUS. The manual lists it as a fault code without further explanation. | Please contact the BLUETTI support team. Call service if it persists. | 27 |
6 of 18 codes. From the Bluetti manual. All 18 EP760 codes →
FAQ
How long will the Bluetti EP760 run a refrigerator?
About 374 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Bluetti EP760 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 7600 W output (no separate peak published). That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.