Oukitel BP2000 vs Allpowers R4000
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
Oukitel BP2000 costs $1000 less. Whether that gap is worth closing depends on what you need to run.
- Allpowers R4000 holds 69% more energy (3456Wh vs 2048Wh), so it runs the same load proportionally longer.
- Allpowers R4000 has 2000W more surge headroom (6000W vs 4000W) — that decides whether a fridge, pump or AC compressor will actually start.
- Oukitel BP2000 is 54.0 lb lighter (52 lb vs 106 lb).
A value-brand 2kWh that competes almost entirely on price, routinely undercutting the majors by hundreds while matching their core specs on paper.
Best for: Bargain-focused buyers who want 2kWh of expandable backup for the least money.
Where it falls short:
- Weaker service network than the majors
- Resale value is lower
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
| Spec | Oukitel BP2000 | Allpowers R4000 |
|---|---|---|
| Price | $1299 | $2299 |
| Capacity | 2048 Wh | 3456 Wh |
| Continuous output | 2200 W | 4000 W |
| Surge output | 4000 W | 6000 W |
| Battery | LiFePO4 | LiFePO4 |
| Rated cycles | 3,500 | 3,500 |
| Weight (lighter wins) | 52 lb | 106 lb |
| Max solar | 1000 W | 2000 W |
| Recharge time (faster wins) | 1h 45m | 1h 30m |
Runtime head-to-head
| Appliance | Oukitel BP2000 | Allpowers R4000 |
|---|---|---|
| Refrigerator | 29.0 hrs | 49.0 hrs |
| Mini fridge | 55.3 hrs | 93.3 hrs |
| Chest freezer | 21.8 hrs | 36.7 hrs |
| CPAP machine | 43.5 hrs | 73.4 hrs |
| Sump pump | 2.2 hrs | 3.7 hrs |