A small, inexpensive LiFePO4 station for charging phones, laptops and camera gear, or running a CPAP for a night. Pick something bigger if you need to run kitchen appliances.
Amazon $179The PECRON E300LFP is the better portable power station overall, rated 3.9 to 3.1. The PECRON E300LFP leads on value, AC output and features. The Anker 521 PowerHouse wins on portability and battery life. The PECRON E300LFP costs $80.99 less ($179 vs $259.99).
For campers and travelers who want a small, long-lived LiFePO4 battery for phones, laptops, lights and CPAP. Larger or faster-charging stations give more for the money if you need to run appliances.
Amazon $259.99 Anker SOLIX $259.99Prices 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.
Which should you buy?
- Choose the PECRON E300LFP for value ($0.62 per rated Wh vs $1.02 per rated Wh), AC output (600 W continuous AC vs 300 W continuous AC) and features (UPS (20 ms), 100 W USB-C, app vs no UPS, expansion or app).
- Choose the Anker 521 PowerHouse for portability (69 Wh per kg (8.2 lb (3.7 kg)) vs 60 Wh per kg (10.6 lb (4.8 kg))) and battery life (LiFePO4, 3,000 cycles, 5-year warranty vs LiFePO4, 3,500 cycles, 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | PECRON E300LFP | Anker 521 PowerHouse |
|---|---|---|
| Overall rating | 3.9/5 | 3.1/5 |
| Value 25% | 85 $0.62 per rated Wh | 51 $1.02 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 23 75% of rated capacity delivered (1 test) |
| Battery life 15% | 81 LiFePO4, 3,500 cycles, 2-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 83 600 W continuous AC | 41 300 W continuous AC |
| Charging speed 10% | 84 0-100% on AC in 1 h 20 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 27 60 Wh per kg (10.6 lb (4.8 kg)) | 44 69 Wh per kg (8.2 lb (3.7 kg)) |
| Solar input 5% | 23 100 W max solar input | 12 65 W max solar input |
| Features 5% | 75 UPS (20 ms), 100 W USB-C, app | 0 no UPS, expansion or app |
Independent capacity tests
PECRON E300LFP
No independent test published yet.
Anker 521 PowerHouse
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 192 Wh | 75% | AC output test; load not stated. Measured charging speed 62 Wh/hr (about 4.1 hr full recharge). |
Specifications
| PECRON E300LFP | Anker 521 PowerHouse | |
|---|---|---|
| Battery | ||
| Rated capacity | 288 Wh | 256 Wh |
| Tested usable capacity | - | 192 Wh (75%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 3,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 600 W | 300 W (600 W surge) |
| AC outlets | 2 total | 2 total |
| 120V 15A outlets (NEMA 5-15R) | 2 | - |
| 120V 2-prong outlets (NEMA 1-15R) | - | 2 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 1 (100 W) | 1 (60 W) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | - |
| UPS / pass-through | Yes (20 ms switchover) | - |
| Charging | ||
| AC charging | 300 W | 125 W |
| Full AC charge time | 1 h 20 min (0-80% in about 60 minutes) | - |
| Max solar input | 100 W | 65 W |
| Solar input voltage | 12-28V (DC5521) | 11-28V, 5.5A |
| Car charging | 100 W | 65 W |
| Build | ||
| Weight | 10.6 lb (4.8 kg) | 8.2 lb (3.7 kg) |
| Dimensions | 10 x 6.8 x 6.1 in | 8.5 x 8.3 x 5.7 in |
| App | PECRON app (Wi-Fi/Bluetooth) | - |
| Warranty | 2 years | 5 years |
| Released | 2024-02 | 2021-12 |
