PECRON E3800LFP: what it can run, and for how long

PECRON E3800LFP: 3,840 Wh, 4,200 W continuous, $2,399 list price. About 3,264 Wh reaches your appliances (our 85% estimate).

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Specs checked:

Specifications

Capacity
3,840 Wh source
Continuous AC output
4,200 W source
Battery chemistry
LFP (lithium iron phosphate) source
Rated cycles
3,500 to 80% capacity source
Wall charging input
3,200 W source
Solar input
3,000 W (32-150 V) source
UPS switchover
20 ms source
Expandable to
26,880 Wh source
Weight
87.3 lb source
List price
$2,399 (regular price on PECRON's US store, checked 2026-11-03) source

See it on PECRON

Not stated on PECRON's pages, or not clear enough for us to use: a surge rating for normal use at 120 V, the number of AC outlets and warranty length.

Cheaper with at least the same capacity and output

None. No other power station we track with a list price is cheaper and has at least 3,840 Wh and 4,200 W continuous.

How long it runs one appliance

Each row is that appliance alone, on the built-in battery. 34 of the 35 appliances in our list can run on it; 1 can't (too many watts to run or start, or they need 240 V). For several appliances at once, use the planner.

ApplianceRunning / startingRuns it?Runtime
Refrigerator (full-size)150 to 400 W / 800 to 1,200 WYes3.3 days (cycling)
Chest freezer100 to 500 W / 500 to 1,000 WYes5.5 days (cycling)
Upright freezer100 to 500 W / 500 to 1,000 WYes3 days (cycling)
Mini fridge50 to 100 W / 400 to 600 WYes33 hours nonstop
Microwave600 to 1,200 WYes2.7 hours nonstop
Coffee maker (4-cup)600 WYes5.4 hours nonstop
Electric kettle (1.7 L)1,500 WYes2.2 hours nonstop
Toaster1,200 WYes2.7 hours nonstop
Induction burner (single, portable)1,200 to 1,800 WYes1.8 hours nonstop
Sump pump (1/3 HP)500 to 800 W / 1,000 to 1,600 WYes4.1 hours nonstop
Sump pump (1/2 HP)800 to 1,050 W / 1,300 to 2,150 WYes3.1 hours nonstop
Well pump (1/2 HP)750 to 1,000 W / 1,500 to 2,000 WYes3.3 hours nonstop
Well pump (1 HP)1,000 to 2,000 W / 2,000 to 4,000 WNo: no 240 V output-
Window air conditioner (5,000 BTU)450 to 600 W / 900 to 1,200 WYes5.4 hours nonstop
Window air conditioner (10,000 BTU)900 to 1,200 W / 1,800 to 2,400 WYes2.7 hours nonstop
Space heater (electric)750 to 1,500 WYes2.2 hours nonstop
Furnace fan / blower (gas furnace, 1/2 HP)300 to 800 W / 800 to 1,600 WYes4.1 hours nonstop
Ceiling fan15 to 75 WYes44 hours nonstop
Box fan50 to 200 WYes16 hours nonstop
Wi-Fi router + modem10 to 20 WYes6.8 days nonstop
Laptop (charging / in use)20 to 100 WYes33 hours nonstop
Desktop computer600 to 800 WYes4.1 hours nonstop
LED TV (32" to 55")80 to 400 WYes8.2 hours nonstop
Phone charging10 WYes13.6 days nonstop
Satellite internet (Starlink Standard dish)75 to 100 WYes33 hours nonstop
LED light bulb8 to 15 WYes9.1 days nonstop
Oxygen concentrator (home, 5 L/min)310 WYes11 hours nonstop
Washing machine500 to 1,000 W / 1,000 to 2,300 WYes3.3 hours nonstop
Circular saw (7-1/4")1,200 to 1,800 W / 2,400 to 3,600 WYes1.8 hours nonstop
Garage door opener720 W / 1,420 WYes4.5 hours nonstop
Hair dryer1,800 W / 1,900 WYes1.8 hours nonstop
Aquarium heater (15-40 gallon tank)100 WYes33 hours nonstop
CPAP: ResMed AirSense 1156 WYes2.4 days nonstop
CPAP: ResMed AirSense 1053 WYes2.6 days nonstop
CPAP: ResMed AirMini6 WYes21.6 days nonstop

Runtime = 3,264 Wh usable (3,840 Wh x 85%) / the appliance's draw: its running watts nonstop, or its average over a day for appliances that cycle on and off. Appliance figures and their sources are on our methodology page.

Sources (PECRON): PECRON E3800LFP product page (checked 2026-11-03); PECRON E3800LFP product data (Shopify .json: variants and prices) (checked 2026-11-03)