Bluetti Apex 300
Power station · Apex. Specs from the manufacturer page (checked ).

The Bluetti Apex 300 is a 2764.8 Wh portable power station with 3840 W output and 7680 W lifting power. It powers 120V and 240V devices at the same time and offers 0ms UPS switchover for backup. The LiFePO4 battery is rated for up to 6,000 cycles with 80% capacity retention.
Key features
- 3,840 W output with 7,680 W lifting power
- 0ms UPS switchover (0ms or 20ms switching) for sensitive devices such as CPAP machines
- 12kW bypass for HVACs, EVs and other heavy loads
- Generator charging with up to 11.5kW input at 120V/240V
- Solar input up to 4,000W with a SolarX 4K, and up to 19.2kW with SolarX 4K
- Up to 6,000 cycles with 80% capacity retention and 20W idle loss
- BLUETTI app with early storm alerts, remote access and OTA updates
- Expandable to 2-3 units and up to 18 batteries, for up to 11.52kW output and 58kWh
What it is for
- Home backup
- RV
- Off-grid living
Specifications
| Capacity | 2764.8 Wh |
|---|---|
| Continuous output | 3840 W |
| Peak / surge | 7680 W |
| Solar input | 4000 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
| Cycle life | 6000 cycles |
| AC output voltage | 120V/240V |
From the Bluetti page. Values the manufacturer does not publish are left out.
What is in the box
- AC Charging Cable (5.91ft / 180cm) x 1
- Car Charging Cable (2.41ft) x 1
- Grounding Screw (M5*10) x 1
- User Manual & Warranty Card 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.
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Bluetti Apex 300 comparisons
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All 11 comparisons
On our lists
Connection and wiring
Follow the diagrams in the Bluetti manual.
Error codes and troubleshooting
| Code | Meaning | What to do | Manual page |
|---|---|---|---|
| E004 | The output voltage is outside the expected range, or the grid connection is not proper. | Ensure the output voltage is within ±10% of the rated voltage or proper grid connection. | 21 |
| E016 | The internal fan is blocked, unplugged, or not functioning properly. | Check if the fan is blocked, unplugged, or not functioning properly. Ensure proper ventilation. | 21 |
| E117 | Grid oscillation has been detected at the grid input. | Disconnect the grid input and contact BLUETTI support for further assistance. Call service if it persists. | 21 |
| Others | Other errors not listed in the error code table. | Contact BLUETTI support for help. Call service if it persists. | 22 |
| E001 | The inverter is overloaded because the connected devices draw too much power. | Check whether the power consumption of your devices is too high. Reduce the load if necessary. | 23 |
| E002 | The inverter overheated and protection switched the AC output off. | Wait for about 10 minutes until the unit cools down, then turn on the AC output again. | 23 |
6 of 22 codes. From the Bluetti manual. All 22 Elite 200 V2 / Apex 300 / Elite 100 V2 / AC70 codes →
FAQ
How long will the Bluetti Apex 300 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 Apex 300 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 7680 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.