Allpowers R4000 vs Anker 555 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 555 PowerHouse costs $1600 less. Whether that gap is worth closing depends on what you need to run.
- Allpowers R4000 holds 238% more energy (3456Wh vs 1024Wh), so it runs the same load proportionally longer.
- Allpowers R4000 has 4500W more surge headroom (6000W vs 1500W) — that decides whether a fridge, pump or AC compressor will actually start.
- Anker 555 PowerHouse is 76.1 lb lighter (29.9 lb vs 106 lb).
- Allpowers R4000 is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.
Allpowers R4000
A large expandable unit that undercuts the EcoFlow Delta Pro 3 on price while matching its 4,000W output — the trade is a less established support network.
Best for: Whole-home backup buyers prioritising price per watt over brand.
Where it falls short:
- 106 lb
- Brand support and resale trail the big names
Anker 555 PowerHouse
A 1kWh unit whose 1,000W output and slow charging show its age — the newer, cheaper Anker C1000 beats it on nearly every axis.
Best for: Only worth it steeply discounted against the C1000.
Where it falls short:
- 1,500W surge is low
- 200W solar input and a slow 138-minute recharge
| Spec | Allpowers R4000 | Anker 555 PowerHouse |
|---|---|---|
| Price | $2299 | $699 |
| Capacity | 3456 Wh | 1024 Wh |
| Continuous output | 4000 W | 1000 W |
| Surge output | 6000 W | 1500 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,500 | 3,000 |
| Weight (lighter wins) | 106 lb | 29.9 lb |
| Max solar | 2000 W | 200 W |
| Recharge time (faster wins) | 1h 30m | 2h 18m |
Runtime head-to-head
| Appliance | Allpowers R4000 | Anker 555 PowerHouse |
|---|---|---|
| Refrigerator | 49.0 hrs | 14.5 hrs |
| Mini fridge | 93.3 hrs | 27.6 hrs |
| Chest freezer | 36.7 hrs | 10.9 hrs |
| CPAP machine | 73.4 hrs | 21.8 hrs |
| Sump pump | 3.7 hrs | ❌ |