Bluetti AC2A
204 Wh · 300 W output · LiFePO4 · $199
✅ Specs verified against the manufacturer's official listing — source · Last checked
Our verdict
One of the cheapest LiFePO4 stations on the market. 204Wh is tiny, but a 200W solar input that outpaces the capacity makes it a surprisingly capable little off-grid trickle unit.
Best for: Ultralight campers who recharge from a panel daily.
What we like
- Under $200
- 200W solar input is high relative to capacity
- LiFePO4
Where it falls short
- 204Wh is genuinely small
- 300W output is device-only
Full specifications
| Capacity | 204 Wh |
|---|---|
| Continuous output | 300 W |
| Surge output | 600 W |
| Battery chemistry | LiFePO4 |
| Rated cycles | 3,000 |
| Weight | 7.9 lb |
| Max solar input | 200 W |
| Recharge (AC) | 1h 30m |
| Expandable | No |
| Warranty | 5 years |
What can the Bluetti AC2A run?
| Appliance | Can start it? | Est. runtime |
|---|---|---|
| Refrigerator | ❌ Surge too high | — |
| Mini fridge | ✅ Yes | 5.5 hrs |
| Chest freezer | ❌ Surge too high | — |
| CPAP machine | ✅ Yes | 4.3 hrs |
| Sump pump | ❌ Surge too high | — |
| Well pump (1/2 HP) | ❌ Surge too high | — |
| Space heater | ❌ Surge too high | — |
| Window AC (8k BTU) | ❌ Surge too high | — |
| Microwave | ❌ Surge too high | — |
| Coffee maker | ❌ Surge too high | — |
| TV (55" LED) | ✅ Yes | 1.7 hrs |
| Laptop | ✅ Yes | 2.7 hrs |
| Phone charger | ✅ Yes | 8.7 hrs |
| CPAP + humidifier | ✅ Yes | 1.9 hrs |
| Fridge plus essentials | ❌ Surge too high | — |
| 12V RV fridge | ✅ Yes | 9.6 hrs |
| Starlink | ✅ Yes | 2.9 hrs |
| Electric blanket | ✅ Yes | 5.8 hrs |
Runtime = (capacity × 0.85 inverter efficiency) ÷ appliance watts. Refrigerator assumes a 40% compressor duty cycle. Real-world results vary.