PECRON E3800LFP

Last updated: October 20, 2026

PECRON E3800LFP
4.2/5#2 of 28 in home backup power stations
4.2

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.

  • 3,840 WhCapacity
  • 4,200 WAC output
  • 87.3 lbWeight
  • LiFePO4Battery
  • 2 h 30 minFull charge
  • $0.34Price / Wh
Check price at Amazon$1,299Check price at Pecron$1,299

Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 4,200W inverter runs several large appliances at once
  • Dual high-voltage solar inputs take up to 3,000W
  • Expands to nearly 27kWh for whole-day backup
  • Recharges in about 1.4 hours on a 30A circuit
Cons
  • At 87 lb it needs a cart to move
  • 240V needs a second unit and a hub
  • Was on pre-order, shipping mid-October, at the time of checking

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 byUsable AC energyOf ratedConditions
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.

Specifications

Battery
Rated capacity3,840 Wh
Tested usable capacity3,226 Wh (84%)
ChemistryLiFePO4
Cycle life3,500 to 80%
ExpandableYes, up to 26,880 Wh
Output
AC output4,200 W
AC outlets5 total
120V 20A outlets (NEMA 5-20R)4
RV 30A outlet (TT-30R)1
AC waveformPure sine wave
USB-C ports2 (up to 100 W each)
USB-A ports4
12 V car outletYes
DC5521 ports1
UPS / pass-throughYes (20 ms switchover)
Charging
AC charging1,800 W
Full AC charge time2 h 30 min (Manufacturer: 2.5 hours on a 15A outlet; 1.4 hours at 3200W with the 30A cable)
Max solar input3,150 W
Solar input voltage2 x 1500W XT60 (32-150V, 20A) + 150W DC5521
Car charging150 W
Build
Weight87.3 lb (39.6 kg)
Dimensions17.5 x 12.1 x 14.7 in
AppPECRON app (Wi-Fi/Bluetooth)
Warranty5 years

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