Allpowers R1500
1152 Wh · 1800 W output · LiFePO4 · $699
✅ Specs verified against the manufacturer's official listing — source · Last checked
Our verdict
A well-priced 1.1kWh with a real 1,800W output and fast charging, a common budget pick for home backup starter kits.
Best for: First-time backup buyers who want 1,800W output cheap.
What we like
- 1,800W output at a budget price
- 80-minute recharge
- 700W solar input
Where it falls short
- 37.5 lb for 1.1kWh
- Not expandable
Full specifications
| Capacity | 1152 Wh |
|---|---|
| Continuous output | 1800 W |
| Surge output | 3000 W |
| Battery chemistry | LiFePO4 |
| Rated cycles | 3,500 |
| Weight | 37.5 lb |
| Max solar input | 700 W |
| Recharge (AC) | 1h 20m |
| Expandable | No |
| Warranty | 5 years |
What can the Allpowers R1500 run?
| Appliance | Can start it? | Est. runtime |
|---|---|---|
| Refrigerator | ✅ Yes | 16.3 hrs |
| Mini fridge | ✅ Yes | 31.1 hrs |
| Chest freezer | ✅ Yes | 12.2 hrs |
| CPAP machine | ✅ Yes | 24.5 hrs |
| Sump pump | ❌ Surge too high | — |
| Well pump (1/2 HP) | ❌ Surge too high | — |
| Space heater | ✅ Yes | 39 min |
| Window AC (8k BTU) | ✅ Yes | 2.0 hrs |
| Microwave | ✅ Yes | 59 min |
| Coffee maker | ✅ Yes | 1.1 hrs |
| TV (55" LED) | ✅ Yes | 9.8 hrs |
| Laptop | ✅ Yes | 15.1 hrs |
| Phone charger | ✅ Yes | 49.0 hrs |
| CPAP + humidifier | ✅ Yes | 10.9 hrs |
| Fridge plus essentials | ✅ Yes | 9.8 hrs |
| 12V RV fridge | ✅ Yes | 54.4 hrs |
| Starlink | ✅ Yes | 16.3 hrs |
| Electric blanket | ✅ Yes | 32.6 hrs |
Runtime = (capacity × 0.85 inverter efficiency) ÷ appliance watts. Refrigerator assumes a 40% compressor duty cycle. Real-world results vary.