Product comparison · Electric Scooters
iScooter i9M vs Hiboy S2
The iScooter i9M scores 5.7 and ranks 19th of 47 in Electric Scooters; the Hiboy S2 scores 5.4 and ranks 31st of 47 in Electric Scooters. The i9M leads on weight, the S2 on battery.
All 11 iScooter products 
iScooter i9M
$280 · 19th of 47 in Electric Scooters
Buy Now- Weight — 10 against 8
- Ride Hardware — 4 against 3
All 17 Hiboy products 
Hiboy S2
$353 · 31st of 47 in Electric Scooters
Buy Now- Battery — 2 against 1
- Warranty & Support — 3 against 1
Across everything we scored, iScooter i9M sits 0.29 ahead — led by weight.
Verdict
i9M ahead · +0.29 (5.7 vs 5.4)Pick the iScooter i9M when
Weight matters10vs8
Ride hardware matters4vs3
Price matters$280vs$353
Pick the Hiboy S2 when
Warranty & support matters3vs1
Features matters7vs6
Battery matters2vs1
Scored 19 October 2026 from published specs and owner reviews. We don't buy or test units. How we score
Usability iScooter i9M and Hiboy S2, scored 0 to 10
WeightiScooter i9M: 10 (higher)Hiboy S2: 8
iScooter i9M
- 28.9 lb
Hiboy S2
- 35.5 lb in the manual
- Store: 35.49 lb on the product page
BatteryiScooter i9M: 1Hiboy S2: 2 (higher)
iScooter i9M
- 270 Wh (36 V nominal, 7.5 Ah) on the commuter scooter ladder
- Label: store lists 42 V and 315 Wh, the charge voltage times Ah
Hiboy S2
- 281 Wh (36 V, 7.8 Ah) in the manual, commuter scooter ladder
- Store: 36 V 7.5 Ah (270 Wh) on the product page
Ride HardwareiScooter i9M: 4 (higher)Hiboy S2: 3
iScooter i9M
- rear disc and electronic front brake, no suspension, 10-inch pneumatic tires
Hiboy S2
- rear disc brake, dual rear springs, 8.5-inch honeycomb solid tires
FeaturesiScooter i9M: 6Hiboy S2: 7 (higher)
iScooter i9M
- quick fold, front and rear lights, display, cruise control
Hiboy S2
- one-step fold, lights, app lock, display, cruise control
- Water: IPX4 stated, below the IPX5 point
Warranty & SupportiScooter i9M: 1Hiboy S2: 3 (higher)
iScooter i9M: 6 Months · Hiboy S2: 1 Year.
iScooter i9M
- six months on battery, motor and controller
Hiboy S2
- one year on battery and motor
Same score
VerificationiScooter i9M: 6Hiboy S2: 6
iScooter i9M
- TÜV Rheinland UL 2272 record CU 72502272 names the i9M (maker Shenzhen Xincheng Times)
- Searched: Certipedia SGS UL Intertek TÜV SÜD CPSC Health Canada
- Record: TÜV Rheinland Certipedia, ANSI/CAN/UL 2272:2024, i8M EC6 i9M (page 2 of the certificate; page 1 names i8, i9, i9 Pro, S9, S9 Pro), Shenzhen Xincheng Times Technology Co.,Ltd
Hiboy S2
- UL certificate UL-US-2422581-0 names S2; listed under Freeman IT FKIS.E535405
- Searched: UL Solutions certificate (brand-hosted) UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
- Record: UL Solutions certificate (brand-hosted), ANSI/CAN/UL 2272, S2, F19 is identical to S2, Freeman IT Limited
- Record: UL Product iQ, ANSI/CAN/UL 2272, S2, Shenzhen Freeman IT Limited
Scored for one only
MotoriScooter i9M: not scoredHiboy S2: 4
iScooter i9M
- Peak: 500 W listed, no nominal rating, not scored
Hiboy S2
- 350 W nominal hub
- Peak: 500 W claimed, not scored
Not scored for either
- ValueiScooter i9M: not scoredHiboy S2: not scored
Social score about the iScooter i9M and the Hiboy S2
RedditiScooter i9M: 7 (higher)Hiboy S2: 5
iScooter i9M
Read the full summary
- Product.
- RedditRecs tallied nine r/ElectricScooters users discussing the i9M, 89% of them positive (Oct 2025 to Oct 2026)
Hiboy S2
Liked
- campus commuting
- side lights
Complaints
- short range for heavy riders
Read the full summary
- r/ElectricScooters: a 230 lb rider got only 6 to 7 mi at top speed (May 2025)
- a parent says the S2 has carried a daughter around campus for a year without problems (Nov 2025)
GoogleiScooter i9M: not scoredHiboy S2: 6
No usable source for the iScooter i9M.
iScooter i9M
Nothing recorded.
Hiboy S2
Liked
- range near claim
Complaints
- harsh ride
- weak suspension
Read the full summary
- Product.
- TechGearLab (bought unit) measured 14 mi of range and 17 mph and found the 8.5-inch solid tires harsh over cracks (Jan 2022)|RiderGuide (measures; purchase not stated) recorded 12.7 mi, 19.0 mph and 31.9 lb (Apr 2021)
YouTubeiScooter i9M: 7Hiboy S2: not scored
No usable source for the Hiboy S2.
iScooter i9M
Liked
- reached claimed top speed
- low price
Read the full summary
- Product.
- Pete's Promise (unit sent by iScooter, stated) reached the claimed 22 mph and ran hill, off-road and brake tests (Sep 2026)|Trent In The Sip (iScooter KOL link and code TTS3) ran a speed test and full review (Aug 2026)
Hiboy S2
Nothing recorded.
AmazoniScooter i9M: 5Hiboy S2: 7 (higher)
The iScooter i9M reading covers the whole brand; the Hiboy S2 reading covers its product line.
iScooter i9M
Read the full summary
- Brand-level. iScooter Center sells the brand's scooters on Amazon; the scooter listings read 3.7 to 4.1 stars on 154 to 798 ratings (Oct 2026)
Hiboy S2
Read the full summary
- Product-line.
- Amazon US listing shared by the S2 and S2 MAX (from Hiboy, sold by Amazon.com) averages 4.2 stars from 1,908 ratings, 70% five-star and 11% one-star (Mar 2026)
Unless a row says otherwise, both readings are about these exact models.
iScooter i9M vs Hiboy S2: pros and cons
iScooter i9M
Overall score 5.7Strengths
- Light enough to carry up stairs
- Air tires soften small bumps
- Folds quickly for storage
- Cruise control on long straights
- Testers reached the claimed top speed
Drawbacks
- No suspension on rough pavement
- Small battery limits range
- Inner tubes can puncture
- Motor rating published only as peak
- Warranty page gives only six months on battery and motor
Hiboy S2
Overall score 5.4Strengths
- Light enough to carry upstairs
- Tires never go flat
- App lock and cruise control built in
- Folds in one step for trains and offices
- Bright lights front and rear plus side lights
Drawbacks
- Harsh ride on small solid tires
- Short range for heavier riders
- Rear suspension does little
- Battery capacity stated two ways
- Only one year of warranty
- Only the rear wheel has a friction brake
iScooter i9M vs Hiboy S2: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
- Top speed (claimed)iScooter21-28 mphHiboyUp to 20 mph
- Max rider loadiScooter More251-300 lbHiboyUp to 250 lb
- SuspensioniScooterNoneHiboyRear
- WarrantyiScooter6 MonthsHiboy More1 Year
Same on both
- CommuterType
- Not listedE-bike class
- Up to 400 WhBattery
- Single motorMotor
- Up to 25 miRange (claimed)
- Up to 40 lbWeight
- Mechanical discBrakes
- FoldsFolding
- UL 2272 listedSafety listings
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Not sold on either one?
The top-scored and the cheapest other pick from each brand.
More from iScooter 10 scored in Electric Scooters
- Battery: 601-800 Wh vs up to 400 Wh
- Motor: Dual motor vs single motor
- Nothing we record differs.
More from Hiboy 11 scored in Electric Scooters
- Battery: 601-800 Wh vs up to 400 Wh
- Brakes: Drum vs mechanical disc
- Brakes: Drum vs mechanical disc
- Suspension: None vs rear
iScooter i9M vs Hiboy S2: common questions
Is the iScooter i9M better than the Hiboy S2?
On our scores, the iScooter i9M is ahead, 5.7 against 5.4. The iScooter i9M leads on weight (10 against 8) and ride hardware (4 against 3). The Hiboy S2 leads on battery (2 against 1), warranty & support (3 against 1) and features (7 against 6).
Which is cheaper, the iScooter i9M or the Hiboy S2?
The iScooter i9M, at $280 against $353: $73 less.
Which carries a heavier rider, the iScooter i9M or the Hiboy S2?
The iScooter i9M: rated 251-300 lb, against Up to 250 lb for the Hiboy S2.
Which has the longer warranty, the iScooter i9M or the Hiboy S2?
The Hiboy S2: 1 Year, against 6 Months.
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Scores calculated 19 October 2026 · Products excluded where fewer than two independent sources cover them · · How we score