UGREEN PowerRoam 2000 vs Anker 521 PowerHouse
Side-by-side on the specs that decide it — surge, capacity, runtime and price.
Both models' specs verified against manufacturer listings · Last updated
The short answer
Anker 521 PowerHouse costs $1050 less. Whether that gap is worth closing depends on what you need to run.
- UGREEN PowerRoam 2000 holds 700% more energy (2048Wh vs 256Wh), so it runs the same load proportionally longer.
- UGREEN PowerRoam 2000 has 3300W more surge headroom (3600W vs 300W) — that decides whether a fridge, pump or AC compressor will actually start.
- Anker 521 PowerHouse is 46.8 lb lighter (8.2 lb vs 55 lb).
UGREEN PowerRoam 2000
UGREEN's 2kWh option covers full-day home backup at a competitive price, though it isn't expandable like the majors' modular systems.
Best for: Buyers who want a self-contained 2kWh backup without building a modular system.
Where it falls short:
- 55 lb
- Not expandable
Anker 521 PowerHouse
A pocket-scale LiFePO4 unit for keeping devices alive. 200W of output means it's a charger, not an appliance station.
Best for: Travelers and campers topping up phones, cameras and a laptop.
Where it falls short:
- 200W output runs devices only
- 256Wh is small
| Spec | UGREEN PowerRoam 2000 | Anker 521 PowerHouse |
|---|---|---|
| Price | $1299 | $249 |
| Capacity | 2048 Wh | 256 Wh |
| Continuous output | 2400 W | 200 W |
| Surge output | 3600 W | 300 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,000 | 3,000 |
| Weight (lighter wins) | 55 lb | 8.2 lb |
| Max solar | 1000 W | 100 W |
| Recharge time (faster wins) | 1h 30m | 2h 30m |
Runtime head-to-head
| Appliance | UGREEN PowerRoam 2000 | Anker 521 PowerHouse |
|---|---|---|
| Refrigerator | 29.0 hrs | ❌ |
| Mini fridge | 55.3 hrs | ❌ |
| Chest freezer | 21.8 hrs | ❌ |
| CPAP machine | 43.5 hrs | 5.4 hrs |
| Sump pump | 2.2 hrs | ❌ |