PECRON E3800LFP
#2 in Home backupFull review
A big, expandable home-backup station for buyers who want a lot of power and solar input per dollar. It is too heavy to treat as truly portable.
Amazon $1,299$1,299
The PECRON E3800LFP is the better portable power station overall, rated 4.2 to 3.9. The PECRON E3800LFP leads on portability, AC output and solar input. The Growatt HELIOS 3600 costs $100.02 less ($1,198.98 vs $1,299).
Growatt HELIOS 3600
#11 in Home backupFull review
A 3.7 kWh home backup station for buyers who want 240V from one unit and the option to grow toward whole-home backup. At the Amazon price it is one of the cheaper ways to get that much LiFePO4 capacity.
Amazon $1,198.98$1,198.98
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 E3800LFP for portability (97 Wh per kg (87.3 lb (39.6 kg)) vs 82 Wh per kg (99 lb (45 kg))), AC output (4,200 W continuous AC vs 3,600 W continuous AC) and solar input (3,150 W max solar input vs 2,000 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | PECRON E3800LFP | Growatt HELIOS 3600 |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Value 25% | 94 $0.34 per rated Wh | 96 $0.33 per rated Wh |
| Tested capacity 15% | 64 84% 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 | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 51 4,200 W continuous AC | 37 3,600 W continuous AC |
| Charging speed 10% | 47 0-100% on AC in 2 h 30 min | 32 0-100% on AC in 3 h |
| Portability 10% | 94 97 Wh per kg (87.3 lb (39.6 kg)) | 67 82 Wh per kg (99 lb (45 kg)) |
| Solar input 5% | 79 3,150 W max solar input | 46 2,000 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 100 UPS (20 ms), expandable, 100 W USB-C, app |
Independent capacity tests
PECRON E3800LFP
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 84% | Load and method not stated. Measured idle draw about 21W and AC recharge of 2 h 27 min on 15A, about 1.5 h on 30A. |
Growatt HELIOS 3600
No independent test published yet.
Specifications
| PECRON E3800LFP | Growatt HELIOS 3600 | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,840 Wh | 3,686 Wh |
| Tested usable capacity | 3,226 Wh (84%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 4,000 4000+ cycles; end-of-life capacity not stated |
| Expandable | Yes, up to 26,880 Wh | Yes |
| Output | ||
| AC output | 4,200 W | 3,600 W |
| Boost mode (resistive loads) | - | 4,500 W |
| AC outlets | 5 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| 240V 20A outlet (NEMA 6-20R) | - | 1 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 100 W each) | 4 (up to 100 W each) |
| USB-A ports | 4 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 1 | 2 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | 2 h 30 min (Manufacturer: 2.5 hours on a 15A outlet; 1.4 hours at 3200W with the 30A cable) | 3 h (About 3 h from 120V at 1800W, or 1.5 h from 240V at 3600W (manufacturer)) |
| Max solar input | 3,150 W | 2,000 W |
| Solar input voltage | 2 x 1500W XT60 (32-150V, 20A) + 150W DC5521 | 12-60V |
| Car charging | 150 W | 96 W |
| Build | ||
| Weight | 87.3 lb (39.6 kg) | 99 lb (45 kg) |
| Dimensions | 17.5 x 12.1 x 14.7 in | 20.4 x 12.3 x 16.5 in |
| App | PECRON app (Wi-Fi/Bluetooth) | myGro app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2026-03 | 2024-09 |