ALLPOWERS R1500
#21 in Mid-sizeFull review
A low-cost expandable LiFePO4 station for home backup at moderate loads. Testing suggests it struggles near its rated 1,800W, so keep heavy loads well below that.
ALLPOWERS $539$539
The ALLPOWERS R1500 rates 4.1 among mid-size portable power stations; the ALLPOWERS R2500 V2 rates 4.0 among large ones. The ALLPOWERS R1500 costs $101 less ($539 vs $640).
ALLPOWERS R2500 V2
#15 in LargeFull review
A budget 2 kWh LiFePO4 station for home backup and RV use, for buyers who put price first and can lift a 64 lb box.
Amazon $640$640
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (mid-size and large), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | ALLPOWERS R1500 | ALLPOWERS R2500 V2 |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 25% | 84 $0.47 per rated Wh | 95 $0.33 per rated Wh |
| Tested capacity 15% | 59 83% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 96 LiFePO4, 3,500 cycles, 5-year warranty | 96 LiFePO4, 3,500 cycles, 5-year warranty |
| AC output 15% | 82 1,800 W continuous AC | 58 2,500 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 79 0-100% on AC in 1 h 30 min |
| Portability 10% | 44 69 Wh per kg (36.8 lb (16.7 kg)) | 39 66 Wh per kg (63.9 lb (29 kg)) |
| Solar input 5% | 49 650 W max solar input | 44 1,000 W max solar input |
| Features 5% | 100 UPS (15 ms), expandable, 100 W USB-C, app | 75 UPS (15 ms), 100 W USB-C, app |
Independent capacity tests
ALLPOWERS R1500
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 83% | Re-test at a 1,326W AC load ran 43.5 minutes, about 83% of rated capacity. A first run at 1,560W overheated and shut down after 25 minutes. |
ALLPOWERS R2500 V2
No independent test published yet.
Specifications
| ALLPOWERS R1500 | ALLPOWERS R2500 V2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,152 Wh | 1,920 Wh |
| Tested usable capacity | 956 Wh (83%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 3,500+ cycles (manufacturer; end-of-life capacity not stated) | 3,500 to 80% (Amazon listing) |
| Expandable | Yes, up to 4,608 Wh | No |
| Output | ||
| AC output | 1,800 W (3,000 W surge) | 2,500 W (4,000 W surge) |
| AC outlets | 4 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | - | 1 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 2 |
| UPS / pass-through | Yes (15 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,500 W | 1,500 W |
| Full AC charge time | - | 1 h 30 min (about 1.5 h; manufacturer says about 97 minutes in its own test) |
| Max solar input | 650 W | 1,000 W |
| Solar input voltage | 12-60V, 13A | 12-150V, 20A |
| Build | ||
| Weight | 36.8 lb (16.7 kg) | 63.9 lb (29 kg) |
| Dimensions | 16.25 x 12.28 x 10.43 in | 17.95 x 14.17 x 13.62 in |
| App | ALLPOWERS app (Wi-Fi/Bluetooth) | ALLPOWERS app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2024-02 | 2026-10 |