Fortress Power eVault Max 18.5
18430 Wh, 9200 W
Bluetti EnergyPro 13K
Home battery · EnergyPro. Specs from the manufacturer page (checked ).
The Bluetti EnergyPro 13K is a whole-home energy storage system with 19.2 kWh maximum capacity and 13.2 kW output. It is built from an EnergyPro 13K hybrid inverter, 2 to 4 EnergyPack 500 batteries (9.6 to 19.2 kWh), and an AT1 Smart Distribution Panel. The page cites 4-day backup at 5 kWh per day during outages without solar generation.
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Capacity
19200Wh
Continuous
13200W
Solar input
22000W
Chemistry
LiFePO4
Expandable
Yes
Key features
- Output up to 13.2 kW, a 47% boost over the last model, able to run loads such as a 5-ton A/C or pool pump during outages
- Modular battery expansion from 2 to 4 EnergyPack 500 batteries, from 9.6 kWh to 19.2 kWh
- Supports up to 22 kW solar maximization through DC or AC coupling, with 4 MPPT channels
- Solar recharge in 1.5 hours under optimal sunlight, tested with four EnergyPack 500 batteries (actual time may vary)
- Extreme Weather Alert charges as much as possible when a storm is detected
- Smart Load Control automatically turns off high-power devices such as EVs or dryers during long outages, based on settings
- Generator or bidirectional-capable EV can be used as extra backup power while charging the battery
What it is for
- Whole-home backup during power outages
- Large houses and villas with rooftop solar seeking solar self-consumption
Specifications
| Capacity | 19200 Wh |
|---|---|
| Continuous output | 13200 W |
| Solar input | 22000 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
From the Bluetti page. Values the manufacturer does not publish are left out.
What is in the box
- EnergyPro 13K hybrid inverter
- EnergyPack 500 battery pack (2 to 4 units)
- AT1 Smart Distribution Panel
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | yes | 15.1 days |
| Chest freezer | 100 W (500 start) | yes | 21.1 days |
| CPAP (no humidifier) | 35 W (40 start) | yes | 18.1 days |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 10.6 days |
| Wi-Fi router + modem/ONU | 12 W | yes | 52.8 days |
| Starlink (standard dish) | 60 W (100 start) | yes | 10.6 days |
| TV 50" | 75 W | yes | 8.4 days |
| Sump pump 1/2 HP | 920 W (2150 start) | yes | 17 h |
| Well pump 1/2 HP | 880 W (2000 start) | yes | 17 h |
| Space heater 1500 W | 1500 W | yes | 14 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
We have not linked an official manual for this model yet; see the Bluetti page.
Error codes and troubleshooting
We have not found an official code table for this model yet.
FAQ
How long will the Bluetti EnergyPro 13K run a refrigerator?
About 362 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Bluetti EnergyPro 13K start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 13200 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.