FOSSiBOT F3600 Pro Portable Power Station

SVT Score, Mid

Versus
6.8
SVT SCORESRead review

3,840 Wh LiFePO4 station at 92.6 lb with a 3,600 W inverter at 120 V, a 10 ms UPS and room for two FB3840 batteries; CNET measured 89 percent of rated capacity (December 2025).

$1,259

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SKU: F3600-PRO Category: Brand:

Usability

6.8 out of 10

It stores 3,840 Wh, at the top of the large tier, so it scores 10 on capacity.

Its inverter is rated 3,600 W continuous with a 7,200 W surge at 120 V only, so it scores 10 on power output.

FOSSiBOT caps AC input at 1,500 W and states about 3 hours to full from the wall, which CNET measured at 3 hours 36 minutes, while solar input reaches 2,000 W, so it scores 4 on recharging.

Better on rechargingBLUETTI Elite 200 V2BLUETTI states a full wall charge in 1.4 hours in Turbo mode. $899Scores 8.0

FOSSiBOT's US spec table rates the cells for 6,500+ cycles to 50 percent of original capacity, an end point below 70 percent, so it scores 4 on battery life.

Better on battery lifeBLUETTI Elite 200 V2BLUETTI rates the cells for 6,000 cycles to 80 percent capacity. $899Scores 10.0

It switches to battery within 10 ms and takes up to two FB3840 expansion batteries for 11,520 Wh, but FOSSiBOT sells no transfer switch for it, so it scores 7 on backup readiness.

FOSSiBOT's US page says "Certified Safe" but lists only FCC, CE, PSE, RoHS, UN38.3 and MSDS, and no certifier directory lists it by model, so it scores 2 on verification.

Better on verificationEcoFlow DELTA ProSGS lists it to UL 2743. $1,899Scores 8.0

FOSSiBOT gives it two years and extends it to five years when it is bought on us.fossibot.com, so it scores 8 on warranty and support.

Warranty and returns

The US warranty policy gives the F1800, F2400, F3600 Pro and F7200 two years plus a three-year extension, five years in all, on orders placed on us.fossibot.com, and those orders can be returned within 30 days of shipment.

$1,259.00 at us.fossibot.com.

3,600 W at 120 V that grows to 11.5 kWh

The F3600 Pro is FOSSiBOT's 3,840 Wh LiFePO4 station, a 92.6 lb wheeled unit with four 120 V outlets, a TT-30 RV outlet and app control.

Verdict

It suits a buyer who wants close to 4 kWh and 3,600 W at 120 V on wheels for outages, a workshop or an RV, and who can wait more than three hours for a wall charge.

Strengths

  • 3,600 W continuous with a 7,200 W surge
  • UPS switchover within 10 ms
  • Takes up to two FB3840 batteries11,520 Wh in all
  • Up to 2,000 W of solar input at 12 to 160 V
  • 3,500 W of combined AC and solar inputfull in 1 hour 50 minutes by FOSSiBOT's figure
  • CNET measured 89 percent of rated capacityDecember 2025
  • Wheels and a retractable handle

Drawbacks

  • The US spec table rates 6,500+ cycles to 50 percent of original capacity; the page copy gives no end point and FOSSiBOT's global page bullet says to 80 percent
  • AC input capped at 1,500 Wand CNET measured a full wall charge of 3 hours 36 minutes (September 2026)
  • The US page claims a full solar charge in 2 hoursits spec table gives about 2.5 hours
  • FOSSiBOT sells no transfer switch for itand two units cannot be linked for more power or 240 V
  • UPS loads capped at 2,500 W on the US version by FOSSiBOT's global FAQ
  • "Certified Safe" on the US pagewhich lists only FCC, CE, PSE, RoHS, UN38.3 and MSDS
  • 92.6 lb
  • FOSSiBOT's US warranty policy covers only orders placed on us.fossibot.com and states no term for a unit bought on Amazon or Walmart

Social score

5.8 out of 10
RedditBrand-level4.0 out of 10

No owner thread in an independent subreddit reports on the F3600 Pro, only a buyer in r/OffGridLiving asking whether a 2 kW inverter generator would charge it safely (March 2025), so this reads the brand. In r/SolarDIY an F800 owner's startup screen froze and stayed frozen while the unit ran (2026).

Google7.0 out of 10
Liked
  • Delivered 89 percent of rated capacity, per one reviewer
  • Ran a test fridge for 44 hours 39 minutes, per one reviewer
  • Ran a 2,200 W angle grinder without trouble, per one reviewer
Complaints
  • Full wall charge took 3 hours 36 minutes, per one reviewer
  • Held back from top picks by its 92.59 lb weight, per one reviewer
  • Fans clearly audible at 2,200 W of input, per one reviewer

CNET, which earns commission through its FOSSiBOT store links, measured 89 percent of rated capacity (December 2025) and, in a later test, a full wall charge of 3 hours 36 minutes, 77.84 percent round-trip efficiency and 44 hours 39 minutes on its test fridge with a 26.11 percent overhead loss, naming it an honorable mention held back by its 92.59 lb weight and charge time (September 2026). Basic Tutorials, which passes on a Geekbuying voucher code, charged the 230 V EU model to full in about two hours at 2,200 W, ran a 2,200 W angle grinder and heard the fans only at high input or output (September 2024). Guru3D, which tested a unit from FOSSiBOT, filled the EU model from 400 W of solar in under 9 hours and found the BrightEMS app worked over Bluetooth and Wi-Fi (August 2025).

YouTube6.0 out of 10
Liked
  • Drew 3,682 Wh from the AC inverter, 96 percent of rated, per one channel
  • Replacement unit ran 2,500 W and more without trouble, per one channel
  • Read 119.9 V at the outlets under load, per one channel
Complaints
  • Screen failed and the unit had to be replaced, per one channel
  • Replacement took over two months, per one channel
  • Would not connect to the BrightEMS app, per one channel

Every channel carries a FOSSiBOT tie. ReeWray Outdoors, which said FOSSiBOT was not paying for the review but whose FOSSiBOT F1800 video is a paid FOSSiBOT promotion with an affiliate link, drew 3,682 Wh from the AC inverter at about 858 W, 96 percent of rated, read 119.9 V at the outlets, measured about 50 W of idle draw with the inverter on, and could not connect the unit to the BrightEMS app (August 2025, about 110,000 views). The Old Jarhead, which passes on FOSSiBOT coupon codes and links, had its first unit's screen fail, waited over two months for FOSSiBOT's replacement, and ran the replacement at 2,500 W and more without trouble (January 2026, about 5,500 views).

AmazonProduct-line6.0 out of 10

FOSSiBOT's F3600 Pro listings on Amazon US share one review file across the station and its solar-panel kits: the F3600 Pro and 420 W panel kit (B0HBBQN891), sold by HK Hongli Tech, reads 4.4 from 28 ratings, 78 percent five-star and 9 percent one-star, and the station listing (B0GXYQW3JL) shows the same 4.4 from 28.

User reviewsNot scored

The retailer pool is blank: Walmart.com is the only US retailer found carrying FOSSiBOT stations, its F2400 and F3600 Pro unit listings no longer exist, and the F3600 Pro kit listing left holds four ratings with one written review.

Trustpilot

Trustpilot rates us.fossibot.com 3.8 from 10 reviews, 20 percent five-star and none one-star, on a claimed profile, while the global fossibot.com profile reads 2.7 from 68 reviews, 34 percent five-star and 49 percent one-star, with replies to 41 percent of negative reviews.

Track record

The BBB has no profile for FOSSiBOT or any of its companies, and no CPSC recall names a FOSSiBOT product.

Not countedExcluded

Not counted in any pool: us.fossibot.com's own review widget, FOSSiBOT's own YouTube channel (@fossibotofficial), or its FOSSiBOT Facebook page.

Brand-level

3.8 on Trustpilot, no BBB rating

Specs

  • Capacity3,000-3,999 Wh
  • AC Output3,000-3,999 W
  • Output Voltage120 V only
  • Battery ChemistryLiFePO4
  • Rated Cycles6,000 cycles or more
  • Safety ListingNone verifiable
  • Solar Input2,000-3,999 W
  • Backup Switchover10 ms or less
  • Warranty5 Years
  • Expandable To10-19.9 kWh
  • Weight92.6 lb

At a glance

  • Four AC outlets plus TT-30
  • Wi-Fi and Bluetooth app
  • 12 V 25 A XT60 outlet

FOSSiBOT is the brand of Shenzhen Qichang Intelligent Technology Co., Ltd., which the F3600 Pro and F7200 manuals name as manufacturer, and of Hongkong Qichang Technology Co., Limited, which dates the company to August 2022; us.fossibot.com names no US company behind it.

It sells direct from us.fossibot.com and through listings on Amazon US and Walmart.com.

The FOSSiBOT F3600 Pro is a 3,840 Wh (48 V, 80 Ah) EVE LiFePO4 station rated 3,600 W continuous and 7,200 W surge at 120 V only, from four 120 V outlets and a NEMA TT-30 RV outlet, with one 100 W and three 20 W USB-C ports, two 18 W USB-A ports, a 12 V 10 A car outlet, a 12 V 25 A XT60 outlet and two DC5521 ports, 4,168 W across all outputs. FOSSiBOT's US spec table caps AC input at 1,500 W, set in five steps from 300 W, and gives about 3 hours to full from the wall, 2,000 W of solar at 12 to 160 V through XT90 in about 2.5 hours, 3,500 W of combined AC and solar input in 1 hour 50 minutes, 1,100 W from a generator and 120 W from a car. Its US spec table rates the cells for 6,500+ cycles to 50 percent of original capacity, while the page copy says 6,500+ cycles with no end point. It switches to battery within 10 ms, with UPS loads capped at 2,500 W on the US version by FOSSiBOT's global FAQ, and takes up to two FB3840 expansion batteries of 3,840 Wh each ($1,099 each on FOSSiBOT's US store) for 11,520 Wh in all; FOSSiBOT says two F3600 Pro units cannot be linked, and it sells no transfer switch, though its page shows the 30 A port feeding a manual transfer switch. It connects to the BrightEMS app by Wi-Fi and Bluetooth, weighs 92.6 lb, measures 24.0 x 12.6 x 18.7 in on wheels with a retractable handle, and ships with AC, car and XT90 solar cables and a removable flashlight. Its US page lists FCC, CE, PSE, RoHS, UN38.3 and MSDS beside a "Certified Safe" claim. CNET measured 89 percent of rated capacity (December 2025), and in a later test a full wall charge of 3 hours 36 minutes with 77.84 percent round-trip efficiency (September 2026). FOSSiBOT gives it two years plus a three-year extension, five years in all, on orders placed on us.fossibot.com.

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