Bluetti AC500
Home battery · AC500. Specs from the manufacturer page (checked ).

The BLUETTI AC500 is a 2,764.8 Wh home battery power station with 3,000 W max AC output when paired with one B300K battery, rising to 5,000 W max with two or more B300K batteries. Capacity expands with B300K batteries up to 16,588.8 Wh, and the unit uses LiFePO4 cells rated for 3,500+ cycles.
Key features
- AC output: 3,000 W max with 1 B300K; 5,000 W max with 2 or more B300K
- Split phase bonding for 240V output
- Expandable capacity from 2,764.8 Wh to 16,588.8 Wh
- 24/7 EPS home backup
- Solar input: 0-80% capacity in 1.5 hours with 3,000 W input
- 8,000 W dual charging, combining AC and solar
- 16 outlets
- Wi-Fi and Bluetooth app control
What it is for
- home backup
Specifications
| Capacity | 2764.8 Wh |
|---|---|
| Continuous output | 3000 W |
| Solar input | 3000 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
| Cycle life | 3500 cycles |
| Dimensions | 21x13x14 in (AC500) |
| Warranty | 4 years |
From the Bluetti page. Values the manufacturer does not publish are left out.
What is in the box
- AC500 Power Station x 1
- B300K Expansion Battery x 1
- 15A AC Charging Cable x 1
- AC500 Solar Charging Cable (MC4 to Aviation Cable) x 1
- Car Charging Cable (Cigarette lighter-M to MC4) x 1
- Battery Expansion Cable (P090A) x 1
- User Manual x 1
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | yes | 52 h |
| Chest freezer | 100 W (500 start) | yes | 3.0 days |
| CPAP (no humidifier) | 35 W (40 start) | yes | 63 h |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 36 h |
| Wi-Fi router + modem/ONU | 12 W | yes | 7.6 days |
| Starlink (standard dish) | 60 W (100 start) | yes | 36 h |
| TV 50" | 75 W | yes | 29 h |
| Sump pump 1/2 HP | 920 W (2150 start) | yes | 2.4 h |
| Well pump 1/2 HP | 880 W (2000 start) | yes | 2.5 h |
| Space heater 1500 W | 1500 W | yes | 2.1 h |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
Similar home battery systems
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
We found no error-code table in this manual. Its troubleshooting section is the reference.
FAQ
How long will the Bluetti AC500 run a refrigerator?
About 52 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Bluetti AC500 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 3000 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.