Product comparison · Portable Stations
OUPES Mega 3 vs Pecron F3000LFP
The OUPES Mega 3 scores 6.9 and ranks 14th of 49 in Portable Stations; the Pecron F3000LFP scores 6.9 and ranks 16th of 49 in Portable Stations. The Mega 3 leads on recharging.
All 7 OUPES products 
OUPES Mega 3
$1,199 · 14th of 49 in Portable Stations
Buy Now- Recharging — 8 against 7
6.9
6.9
Across everything we scored, OUPES Mega 3 edges ahead by 0.03 — too close to call.
Too close to call
level · 6.9 vs 6.9
Level on the overall score. The trade-offs below decide it.
Pick the OUPES Mega 3 when
Recharging matters8vs7
Pick the Pecron F3000LFP when
Price matters$899vs$1,199
Scored 9 October 2026 from published specs and owner reviews. We don't buy or test units. How we score
Most common complaints
From each product's own owner reviews and retailer ratings.
OUPES Mega 3
- B2 battery stopped charging from the station, per one owner
- Barely handled loads above 3,600 W, per one reviewer
- Recovery charge needed after a full drain, per one channel
Pecron F3000LFP
- Charging performance, tagged negative in 11 of 27 mentions
- Noise, tagged negative in 6 of 18 mentions
- Weight, tagged negative in 9 of 12 mentions
Where the OUPES Mega 3 and Pecron F3000LFP differ
Scores on a 0–10 scale. Each row is one criterion, biggest difference first.
Capacity
tiedPower Output
tiedBattery Life
tiedBackup Readiness
tiedVerification
tiedWarranty & Support
tiedValue
one side unscoredWhat OUPES Mega 3 and Pecron F3000LFP owners report
Independent sources, scored for each model. Mega 3 on 5 of five, F3000LFP on 4.
Both readings are about these exact models.
What they say
OUPES Mega 3
- Owner posts on the Mega 3 sit in r/OUPES_info, a user-run subreddit, from July and August 2026.
- One owner's B2 battery, which worked over the winter, stopped charging from the Mega 3.
- Another reported a Mega 3 that would not recharge after a full discharge, the E022 fault other Mega owners describe in the same thread.
- A third, who owns a Mega 3 and a Guardian 6000, called OUPES support fantastic on the few issues raised.
Pecron F3000LFP
- Owner posts on the F3000LFP in r/SolarDIY and r/PortableBatteryPacks run from February to June 2026.
- One owner has run all of his 120 V house circuits from it since November and cleared an early app connection fault by setting up a 2.4 GHz network (r/SolarDIY).
- Another has run a garage from it with one expansion battery for almost a year without issues (r/SolarDIY).
- A unit stored over winter fell from 70 to 1 percent in under 12 hours with nothing plugged in, then charged at 60 W (r/PortableBatteryPacks, March 2026).
- A Tesla mobile connector refused to charge from it, citing inadequate outlet grounding (r/SolarDIY, February 2026).
Both readings are about these exact models.
What they say
OUPES Mega 3
- TheSolarLab, which earns affiliate commission and offers a discount code, drew 86 percent of rated capacity at about 2,968 W, recharged it on AC from 2 to 100 percent in just over two hours, found it barely handled loads above 3,600 W despite the 7,000 W surge rating, and faulted a peak-shaving feature it could not find in the app and the hard plastic wheels, while praising 20 A on every AC outlet, the included cables and OUPES phone support.
- An owner on DIY Solar Power Forum reported a Mega 3 with two B2 batteries working well for eight months.
- An RV owner on iRV2 ran every 12 V load in a trailer from its Anderson output (May 2024).
Pecron F3000LFP
- TheSolarLab, which earns affiliate commission on its links, ran a full 3,600 W load without a trip, held 4,500 W for about 10 seconds, drew 83 percent of rated capacity at 3,600 W, recharged it from the wall in just over two hours and pulled 1,600 W of solar, and faulted a 37 W idle draw, AC outlets set too close for bulky plugs and the lack of a light (updated October 2026).
YouTube
+1 OUPESBoth readings are about these exact models.
What they say
OUPES Mega 3
- AVERAGE JOE, which links to OUPES and passes on an OUPES discount code, drew 2,708 Wh at about 617 W, 88 percent of rated, held about 3,570 W with a B2 battery attached, started a 10-inch miter saw and an air compressor, and saw a slight light flicker on UPS switchover (May 2024, about 10,000 views).
- Porter Creek, which links an OUPES discount code, used one daily for a year, praised the solar input on each B2 battery and the features added to the app, and disliked the recovery charge needed after a full drain and a stock AC cord that ran warm (March 2025, about 12,500 views).
- Our Everyday Homestead, which uses affiliate links, ran about 3,200 W of heaters without a shutdown (November 2023, about 10,000 views).
Pecron F3000LFP
- Lithium Solar, which uses affiliate links and a Pecron discount code, drew 2,863 Wh at an 860 W load, 93 percent of rated, saw 1,753 W of AC charging, opened the case and disliked the phone app (January 2026, about 34,000 views).
- Jasonoid, whose video is marked as paid promotion and carries a Pecron discount code, drew 180 W from the DC output and was surprised by its test results (August 2025, about 56,000 views).
Amazon
tiedBoth readings are about these exact models.
What they say
OUPES Mega 3
- The station listing (B0CS6CNM8L), model S3, reads 4.3 from 35 ratings.
- A separate kit listing with two panels (B0CF26N2QK) reads 3.9 from 5 ratings, under the ten-review floor.
Pecron F3000LFP
- The station listing (B0F6YCRKTJ), sold by PECRON Direct, reads 4.5 from 154 ratings, 76 percent five-star, 14 percent four-star and 5 percent one-star.
- Amazon's review tags are positive on reliability (43 of 51 mentions) and value (29 of 31) and split on charging performance (11 of 27 negative) and weight (9 of 12 negative).
- It scores one point lower because Walmart flags most reviews on Pecron's own listings as incentivized.
Owner reviews
one side unscoredThe OUPES Mega 3 reading covers its product line; no usable source for the Pecron F3000LFP.
What they say
OUPES Mega 3
- No US retailer lists the Mega 3 with a review: Walmart's Mega 3 listings are gone, and Lowe's Mega 3 page carries no reviews.
- This reads the Mega 1 and Mega 1 Lite file on Walmart (item 11344470227), sold by OUPES's own store, which shares the Mega series app and B2 expansion battery with the Mega 1: 4.3 from 136 ratings, 4.3 from 132 with Walmart's four incentivized reviews set aside.
- Owners praise the fast wall charge and overnight refrigerator runtime, against units that died after a full discharge and app dropouts.
Pecron F3000LFP
No usable source.
OUPES Mega 3 vs Pecron F3000LFP: pros and cons
What each one does well, and where it falls short.
OUPES Mega 3
Strengths
- 3,600 W continuous from five 20 A outlets and a TT-30R
- 2,100 W solar input at 12 to 148 V
- 86 to 88 percent usable on AC in two testers' runs
- Expands to a rated 15.36 kWh with six B2 batteries
- Each B2 battery takes its own 2,100 W of solar
- Held about 3,570 W with a B2 attached in AVERAGE JOE's test
Drawbacks
- 120 V onlyand two units cannot be paired
- UPS mode covers loads up to 2,200 W only
- Barely handled loads above 3,600 W in TheSolarLab's test despite a 7,000 W surge rating
- No OUPES transfer switchthe product page points to a third-party kit
- OUPES publishes its charge time four ways: 0.81, 1.7 and 1.8 hours
- 83.3 lb on hard plastic wheels
Pecron F3000LFP
Strengths
- 3,600 W continuouswith 4,500 W held about 10 seconds by TheSolarLab
- TT-30R 30 A outlet
- 1,600 W solar input at 25 to 120 V
- Full wall charge in about 2 hours at 1,800 W
- Expands to a rated 10,752 Wh with two EP3800-48V batteries
- 5 years of warranty with free registration
Drawbacks
- 120 V onlywith no 240 V option
- 37 W idle draw in TheSolarLab's test
- UPS mode covers loads under 1,800 W only
- Expansion needs a separately sold XT120 cascade cable
- No IP rating and no built-in light
- One solar input with one MPPT
OUPES Mega 3 vs Pecron F3000LFP: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
- Solar inputOUPES More2,000-3,999 WPecron1,000-1,999 W
- WeightOUPES83.3 lbPecron63.3 lb
Same on both
- 3,000-3,999 WhCapacity
- 3,000-3,999 WAC output
- 120 V onlyOutput voltage
- LiFePO4Battery chemistry
- 3,000-3,999 cyclesRated cycles
- 11-20 msBackup switchover
- 10-19.9 kWhExpandable to
- None verifiableSafety listings
- 5 YearsWarranty
We earn a commission if you buy through these links. It never changes a score.
Not sold on either one?
The top-scored and the cheapest other pick from each brand.
More from OUPES 5 scored in Portable Stations
What’s different
- Capacity: 1,000-1,499 Wh, not 3,000-3,999 Wh
- AC output: 2,000-2,999 W, not 3,000-3,999 W
Pick it ifRecharging matters10vs8
What’s different
- Capacity: 450-699 Wh, not 3,000-3,999 Wh
- AC output: Under 1,000 W, not 3,000-3,999 W
Pick it ifBattery life matters8vs6
More from Pecron 3 scored in Portable Stations
What’s different
- Capacity: 700-999 Wh, not 3,000-3,999 Wh
- AC output: 1,500-1,999 W, not 3,000-3,999 W
Pick it ifPrice matters$399vs$899
OUPES Mega 3 vs Pecron F3000LFP: common questions
Is the OUPES Mega 3 better than the Pecron F3000LFP?
Neither, on our scores: 6.9 against 6.9 is inside the margin one scoring judgement can move. The OUPES Mega 3 leads on recharging (8 against 7).
Which is cheaper, the OUPES Mega 3 or the Pecron F3000LFP?
The Pecron F3000LFP, at $899 against $1,199: $300 less.
What do owners say about the OUPES Mega 3 and the Pecron F3000LFP?
Across 4 independent sources scored for both, the OUPES Mega 3 is ahead on YouTube; the Pecron F3000LFP is ahead on Reddit and Google; Amazon is level.
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Scores calculated 9 October 2026 · Products excluded where fewer than two independent sources cover them · · How we score