Product comparison · Portable Stations
Dabbsson DBS3500 vs ALLPOWERS R4000
The Dabbsson DBS3500 scores 6.2 and ranks 38th of 74 in Portable Stations; the ALLPOWERS R4000 scores 5.7 and ranks 50th of 74 in Portable Stations. The DBS3500 leads on battery life.
All 11 Dabbsson products 
Dabbsson DBS3500
$1,599 · 38th of 74 in Portable Stations
Buy Now- Battery Life — 8 against 6
6.2
5.7
Across everything we scored, Dabbsson DBS3500 sits 0.47 ahead — led by battery life.
Verdict
DBS3500 ahead · +0.47 (6.2 vs 5.7)Pick the Dabbsson DBS3500 when
Recharging matters8vs6
Battery life matters8vs6
Price matters$1,599vs$1,899
Pick the ALLPOWERS R4000 when
A criterion we do not score decides itthe R4000 leads on none of the ones we do
Scored 10 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.
Dabbsson DBS3500
- Too heavy to be very portable, per one owner
- Needed support for issues, per one owner
ALLPOWERS R4000
- Car charging cable not included, per one reviewer
- Shuts off with 5 percent still showing, per two channels
- App connection problems, per one reviewer
Where the Dabbsson DBS3500 and ALLPOWERS R4000 differ
Scores on a 0–10 scale. Each row is one criterion, biggest difference first.
Battery Life
+2 DabbssonCapacity
tiedPower Output
tiedBackup Readiness
tiedVerification
tiedonly the Dabbsson DBS3500: Claimed only; only the ALLPOWERS R4000: None verifiable.
Warranty & Support
tiedValue
one side unscoredWhat Dabbsson DBS3500 and ALLPOWERS R4000 owners report
Independent sources, scored for each model. DBS3500 on 4 of five, R4000 on 4.
The ALLPOWERS R4000 reading covers the whole brand.
What they say
Dabbsson DBS3500
- In r/SolarDIY a DBS3500 owner found it too heavy to be very portable, had some issues that support resolved helpfully after several messages, and said it runs some appliances for a couple of hours, longer with a solar panel (about 2024).
ALLPOWERS R4000
- No owner thread in an independent subreddit names the R4000, so this reads the brand.
- In r/SolarDIY an R2500 owner said ALLPOWERS told him the B3000 expansion battery connects only to the R3500 in the US (2024); in r/GoRVing an owner's R1500 clicked above 30 W of AC load and its app would not connect over Bluetooth or Wi-Fi, and a commenter said no one at ALLPOWERS answered email or phone (2024).
The Dabbsson DBS3500 reading covers its product line.
What they say
Dabbsson DBS3500
- No written test of the DBS3500 with measurements was found, so this reads the DBS2300, its closest Dabbsson sibling.
- CNET, which links to dabbsson.com through affiliate links and whose line "I love that it's a modular format" Dabbsson quotes on its home page, measured 2,007 Wh delivered from the plain DBS2300, 86 percent of rated, and a full wall charge in about 122 minutes (best-list updated March 2026).
- Trusted Reviews, which Dabbsson also quotes on its home page, called the DBS2300 the best expandable station it had tested and noted its 15 ms switchover was too slow for critical computers (July 2023).
- The Gadgeteer found the inverter inefficient on loads under 400 W, drawing 870 Wh from a full charge to run a 30 to 100 W load through a UPS, while it charged two other stations and ran 3,000 W of heaters in boost mode (October 2023).
ALLPOWERS R4000
- Vantour, a French van-life site that passes on an ALLPOWERS discount code and links to ALLPOWERS' store, put a full wall charge at about 4 hours, an EV charging-station charge at about 2 hours and 400 W solar at about 8 hours, found the fans quiet under heavy load, and noted app connection problems some owners report and no car charging cable in the box (July 2024).
YouTube
tiedBoth readings are about these exact models.
What they say
Dabbsson DBS3500
- Every channel carries a Dabbsson tie, and Dabbsson places all three on its own DBS3500 page.
- ReeWray Outdoors, which links to Amazon as an associate and passes on a Dabbsson coupon code, tested its AC capacity, expansion, solar charging, harmonic distortion, UPS mode and no-load drain and called it the best budget high-capacity expandable station it had tested (March 2024, about 22,700 views).
- Phandroid, in a video it says Dabbsson sponsored, found its capacity enough for a refrigerator, lights and devices in an outage (March 2024, about 11,700 views).
- Red Beard's Garage welded from it (date not read).
ALLPOWERS R4000
- Eric Hernandez, which passes on an ALLPOWERS promo code and earns commission on linked products, drained the R4000 V3 until the inverter shut off with 5 percent still showing and load-tested it toward its 3,600 W rating (February 2025, about 31,200 views).
- A March 2023 review titled "DON'T BUY THE ALLPOWERS R4000 Power Station Without Watching This First!", on a unit and 400 W panel ALLPOWERS sent with a discount link, backfed the house's 120 V circuits through a transfer switch, charged at about 1,540 W from the wall with 270 W of solar, and ran a 1,200 W heater for 2 hours 10 minutes before shutoff at 5 percent.
- Chef Prepper, which carries a 12 percent ALLPOWERS code, said the 2,000 W fast charge needs a 220 to 240 V circuit (March 2025).
Amazon
+1 DabbssonBoth readings are about these exact models.
What they say
Dabbsson DBS3500
- Dabbsson's DBS3500 listing on Amazon US (B0CVVMXJRS) reads 4.0 from 24 ratings; it was priced $2,545.62 on 2026-10-10 against $1,599 on dabbsson.com, and its star split was not read.
ALLPOWERS R4000
- The station listing in ALLPOWERS' own Amazon US store (B0BRCLJ79Q), titled 3,456 Wh with a 1.2-hour charge, holds 3.2 from 15 ratings; its star split and review text sit behind sign-in.
Dabbsson DBS3500 vs ALLPOWERS R4000: pros and cons
What each one does well, and where it falls short.
Dabbsson DBS3500
Strengths
- 3,600 W continuous with a 7,200 W surge
- 2,400 W solar input at 12 to 150 V
- AC and solar together at 3,400 W
- EPS switchover within 15 ms
- Takes two DBS5300B batteries14,070 Wh per unit
- Two units link to 240 V and 7,000 W
Drawbacks
- Dabbsson sells no transfer switch or home panelits install guide points to third-party Reliance switches
- One unit gives 120 V onlythe page's 240 V and 7,000 W need two units and the A35S connector
- The page's 28,140 Wh needs two units and four DBS5300B batteries; one unit reaches 14,070 Wh
- The US spec table gives 4,500 cycles and 90.5 lbthe US manual 4,000 cycles and 89.7 lb
- 90.5 lbmoved on two wheels
- The US product page still runs "valentine sale" free-300E and free-600L bullets beside the free 300E in the variant title
- The US manual prints an ETL markbut Intertek's directory does not list it
ALLPOWERS R4000
Strengths
- 3,600 W continuous at 120 V with a 6,000 W surge
- Up to 2,000 W of solar across three XT60 inputs
- UPS switchover within 15 ms
- 30 A RV outlet
- Wheels and a pull handle
- Rated 3,500 cycles to 80 percent
- Touchscreen with Wi-Fi and Bluetooth app control
Drawbacks
- Sold as 4,000 Wits US spec table and manual give 3,600 W at 120 V, 4,000 W only at 230 V
- Title says 3,456 WhALLPOWERS' kit titles 3,600 Wh
- The two-hour full charge is for high-voltage inputthe manual caps 120 V charging at 1,500 W, and ALLPOWERS' Amazon listing says 1.2 hours
- UPS mode carries no more than 1,500 W of load at 120 V
- The product page names no expansion batterythe manual takes two or more B3000s, the B3000 page one, and the B3000 is sold out on the US store
- Weight stated as 99.2 lb on the page and 106 lb in the manual
- No ALLPOWERS transfer switch and no 240 V output in the US
- ALLPOWERS' Returns page states an 18-month warrantythe warranty policy gives 24 months, or 5 years when registered after an iallpowers.com order
Dabbsson DBS3500 vs ALLPOWERS R4000: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
- Output voltageDabbsson240 V by linking two unitsALLPOWERS120 V only
- Rated cyclesDabbsson More4,000-5,999 cyclesALLPOWERS3,000-3,999 cycles
- Expandable toDabbsson More10-19.9 kWhALLPOWERS5-9.9 kWh
- Safety listingsDabbssonClaimed onlyALLPOWERSNone verifiable
- WeightDabbsson90.5 lbALLPOWERS99.2 lb
Same on both
- 3,000-3,999 WhCapacity
- 3,000-3,999 WAC output
- LiFePO4Battery chemistry
- 2,000-3,999 WSolar input
- 11-20 msBackup switchover
- 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 Dabbsson 9 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 ifPrice matters$699vs$1,599
What’s different
- Capacity: 700-999 Wh, not 3,000-3,999 Wh
- AC output: Under 1,000 W, not 3,000-3,999 W
Pick it ifPrice matters$299vs$1,599
More from ALLPOWERS 6 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 matters8vs6
What’s different
- Capacity: 1,000-1,499 Wh, not 3,000-3,999 Wh
- AC output: 1,500-1,999 W, not 3,000-3,999 W
Pick it ifRecharging matters7vs6
Dabbsson DBS3500 vs ALLPOWERS R4000: common questions
Is the Dabbsson DBS3500 better than the ALLPOWERS R4000?
On our scores, the Dabbsson DBS3500 is ahead, 6.2 against 5.7. The Dabbsson DBS3500 leads on battery life (8 against 6) and recharging (8 against 6).
Which is cheaper, the Dabbsson DBS3500 or the ALLPOWERS R4000?
The Dabbsson DBS3500, at $1,599 against $1,899: $300 less.
What do owners say about the Dabbsson DBS3500 and the ALLPOWERS R4000?
Across 4 independent sources scored for both, the Dabbsson DBS3500 is ahead on Google and Amazon; Reddit and YouTube are level.
More portable stations comparisons
More head-to-heads with these two.
Scores calculated 10 October 2026 · Products excluded where fewer than two independent sources cover them · · How we score