PECRON E300LFP
#3 in SmallFull review
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 $179$179
The PECRON E300LFP is the better portable power station overall, rated 3.9 to 3.4. The PECRON E300LFP leads on battery life, charging speed and AC output. The EnginStar R300 wins on portability and value. The EnginStar R300 costs $29.01 less ($149.99 vs $179).
EnginStar R300
#22 in SmallFull review
A cheap, light 296Wh station for phones, cameras, CPAP and small camping loads. Buyers who will cycle it often should pay a little more for a LiFePO4 model with a longer warranty.
Amazon $149.99$149.99
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.
Which should you buy?
- Choose the PECRON E300LFP for battery life (LiFePO4, 3,500 cycles, 2-year warranty vs Lithium-ion, 1,000 cycles, 1-year warranty), charging speed (0-100% on AC in 1 h 20 min vs 0-100% on AC in 7 h) and AC output (600 W continuous AC vs 300 W continuous AC).
- Choose the EnginStar R300 for portability (100 Wh per kg (6.5 lb (3 kg)) vs 60 Wh per kg (10.6 lb (4.8 kg))) and value ($0.51 per rated Wh vs $0.62 per rated Wh).
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 | EnginStar R300 |
|---|---|---|
| Overall rating | 3.9/5 | 3.4/5 |
| Value 25% | 85 $0.62 per rated Wh | 95 $0.51 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 81 LiFePO4, 3,500 cycles, 2-year warranty | 19 Lithium-ion, 1,000 cycles, 1-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 | 0 0-100% on AC in 7 h |
| Portability 10% | 27 60 Wh per kg (10.6 lb (4.8 kg)) | 100 100 Wh per kg (6.5 lb (3 kg)) |
| Solar input 5% | 23 100 W max solar input | 50 solar input not published (neutral score used) |
| Features 5% | 75 UPS (20 ms), 100 W USB-C, app | 0 no UPS, expansion or app |
Specifications
| PECRON E300LFP | EnginStar R300 | |
|---|---|---|
| Battery | ||
| Rated capacity | 288 Wh | 296 Wh |
| Chemistry | LiFePO4 | Lithium-ion |
| Cycle life | 3,500 to 80% | 1,000 >1000 cycles per the manual; end-of-life capacity not stated |
| Expandable | No | - |
| Output | ||
| AC output | 600 W | 300 W |
| AC outlets | 2 total | 2 total |
| 120V 15A outlets (NEMA 5-15R) | 2 | 2 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 1 (100 W) | 1 (18 W) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 2 |
| UPS / pass-through | Yes (20 ms switchover) | - |
| Charging | ||
| AC charging | 300 W | 65 W |
| Full AC charge time | 1 h 20 min (0-80% in about 60 minutes) | 7 h (About 7 hours per the manual and the B09SHB84J2 listing; a listing image says 5-7 hr. Another EnginStar listing (B0FJD7LCY4) claims 80% in 2 hours, which doesn't fit a 65W input and isn't used here.) |
| Max solar input | 100 W | - |
| Solar input voltage | 12-28V (DC5521) | 12-25V |
| Car charging | 100 W | - |
| Build | ||
| Weight | 10.6 lb (4.8 kg) | 6.5 lb (3 kg) |
| Dimensions | 10 x 6.8 x 6.1 in | 9.06 x 7.64 x 5.51 in |
| App | PECRON app (Wi-Fi/Bluetooth) | - |
| Warranty | 2 years | 1 years |
| Released | 2024-02 | 2024-05 |