Anker SOLIX 521 PowerHouse
A portable power station with a 256 Wh LiFePO4 battery and 300 W of AC output (600 W surge). It takes up to 65 W of solar and weighs 8.2 lb. No fuel, no fumes, so it can run indoors.
- Battery capacity
- 256 Wh
- Running watts
- 300 W
- Weight
- 8.2 lb
- Best for
- Phones, laptops, lights and a CPAP on short trips or brief outages, quietly and indoors.
- Not for
- Fridges, space heaters, power tools or anything high-draw for more than a short while.
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Specifications
| Running watts | 300 W |
|---|---|
| Starting / surge watts | 600 W |
| Battery capacity | 256 Wh |
|---|---|
| Battery chemistry | LiFePO4 |
| Max solar input | 65 W |
| Recharge from | AC, solar, car |
| Outlets | 2× 120V AC, Car outlet 1× 120W |
|---|
| Weight | 8.2 lb |
|---|---|
| Length | 8.5 in |
| Width | 8.3 in |
| Height | 5.7 in |
| Standard warranty | 5 years |
|---|
Checked 29 October 2026. Sources: ankersolix.com.