EcoFlow RIVER 3 vs Pecron E1000LFP

Side-by-side on the specs that decide it — surge, capacity, runtime and price.

Both models' specs verified against manufacturer listings · Last updated July 29, 2026

The short answer

EcoFlow RIVER 3 costs $360 less. Whether that gap is worth closing depends on what you need to run.

Pecron E1000LFP holds 318% more energy (1024Wh vs 245Wh), so it runs the same load proportionally longer.
Pecron E1000LFP has 2400W more surge headroom (3000W vs 600W) — that decides whether a fridge, pump or AC compressor will actually start.
EcoFlow RIVER 3 is 16.5 lb lighter (7.8 lb vs 24.3 lb).
Pecron E1000LFP is rated for 3,500 cycles vs 3,000 — meaningful if you cycle it daily.

⚠️ Before you buy

Neither of these will start a sump pump or well pump — both surge below the ~3,400W those motors need. If home backup with pumps is your use case, look at higher-surge models instead of either of these.

EcoFlow RIVER 3

A glorified power bank with AC outlets — and that's fine if that's what you need. 245Wh runs devices, not appliances.

Best for: Weekend campers charging phones, cameras and a laptop.

Where it falls short:

300W output rules out anything with a heating element
No expansion path

Pecron E1000LFP

An expandable 1kWh at a budget price — unusual to find expansion this cheap, though the 1,000W output caps heavier loads.

Best for: Budget buyers who want a 1kWh they can later expand.

Where it falls short:

400W solar input is modest for the capacity
Smaller brand support

Spec	EcoFlow RIVER 3	Pecron E1000LFP
Price	$239	$599
Capacity	245 Wh	1024 Wh
Continuous output	300 W	1800 W
Surge output	600 W	3000 W
Battery	LiFePO4	LiFePO4
Rated cycles	3,000	3,500
Weight (lighter wins)	7.8 lb	24.3 lb
Max solar	110 W	400 W
Recharge time (faster wins)	1h	1h 30m

Runtime head-to-head

Appliance	EcoFlow RIVER 3	Pecron E1000LFP
Refrigerator	❌	14.5 hrs
Mini fridge	6.6 hrs	27.6 hrs
Chest freezer	❌	10.9 hrs
CPAP machine	5.2 hrs	21.8 hrs
Sump pump	❌	❌

EcoFlow RIVER 3
Price → Pecron E1000LFP
Price →