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 Pecron $1,299$1,299
4.1/5
A 240V-capable, expandable home-backup unit for households that need to run a well pump or other 240V loads in an outage.
- 3,584 WhCapacity
- 4,000 WAC output
- 74 lbWeight
- LiFePO4Battery
- 2 h 30 minFull charge
- $0.50Price / Wh
Check price at Amazon$1,799Check price at Jackery$1,799
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 240V output runs well pumps and other 240V appliances
- Expands to 21.5kWh for multi-day backup
- Recharges from 1,200W of solar in about 4.3 hours
Cons
- Only 2,000W available at 120V
- 74 lb
- High idle draw (about 30W in The Solar Lab’s test)
- Few AC outlets for its size
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Independent capacity tests
Usable energy delivered from a full charge through the AC outlets, as measured by independent reviewers. Inverter losses mean no station delivers its full rated capacity.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 93% | Reported 93% AC discharge efficiency; test load not stated. Idle draw about 30W. |
Specifications
| Battery | |
|---|---|
| Rated capacity | 3,584 Wh |
| Tested usable capacity | 3,333 Wh (93%) |
| Chemistry | LiFePO4 |
| Cycle life | 6,000 |
| Expandable | Yes, up to 21,500 Wh |
| Output | |
| AC output | 4,000 W (8,000 W surge) |
| AC outlets | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 2 |
| 120/240V 50A outlet (NEMA 14-50R) | 1 |
| UPS / pass-through | Yes (10 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Full AC charge time | 2 h 30 min (2.5 hr from a wall outlet; 1.3 hr with the 40A charging cable) |
| Max solar input | 1,200 W |
| Solar input voltage | 16-60V 12A (2 x DC8020 inputs) |
| Build | |
| Weight | 74 lb (33.6 kg) |
| Dimensions | 14.76 x 10.83 x 17.72 in |
| App | Jackery app |
| Warranty | 5 years |
Alternatives in this size
PECRON F3000LFP
#3 in Home backupFull review
A powerful, well-priced 3kWh station for RV owners and home backup. It runs high-draw appliances and can be expanded later.
Amazon $899 Pecron $899$899
OUPES Mega 3
#5 in Home backupFull review
A big home-backup station with a 3600W inverter, RV outlet and massive solar input, for households that want to run large appliances through outages.
OUPES $1,199$1,199
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