NIU KQi 300X All-Terrain Suspension Electric Scooter

  • 601-800 Wh
  • 26-40 mi claimed
  • 251-300 lb max load
  • Up to 20 mph

SVT Score, Upper

Versus
6.7
SVT SCORESRead review

A 608.4 Wh suspension commuter scooter with strong hill climbing, disc brakes on both wheels and self-healing tubeless tires.

$899

We may earn a commission if you buy through this link. It never affects our scores. How this works

SKU: KST33FG1A11 Category: Brand:

Usability

6.7 out of 10
  • Voltage: 608.4 Wh equals 46.8 V nominal times 13 Ah
  • Peak: 1,000 W claimed, not scored
  • Fold: two-step stem fold, not one-step
  • Searched: UL Solutions certificate (hosted copy) UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
  • Record: UL Solutions certificate (hosted copy), ANSI/CAN/UL 2272, Ed. 1 (2016-11-21, rev. 2019-02-25), KQi 300P, KQi 300X, Jiangsu niu Electric Technology Co., Ltd
  • Record: UL Product iQ, ANSI/CAN/UL 2272 (FKIS, Electrical Systems for Personal E-Mobility Devices), KQi 300P, KQi 300X, Jiangsu niu Electric Technology Co., Ltd
  • Record: TÜV Rheinland Certipedia, EN 17128:2020, KQi 300P; KQi 300X, Jiangsu Niu Electric Technology Co., Ltd

Strengths

  • Strong acceleration and hill climbing
  • Dual disc brakes stop hard in the wet
  • Self-healing tubeless tires
  • Lights and turn signals built in
  • Hydraulic front suspension soaks up bumps

Drawbacks

  • Twist throttle feels jerky at low speed
  • Heavy to carry up stairs
  • Owners report occasional power faults
  • Two-step fold rather than one
  • Real range falls short of the advertised figure
Verdict

A quick, stable hill climber for commuters, but heavy with a touchy throttle

Social score

6.3 out of 10
Reddit6 out of 10
Liked
  • build quality
  • acceleration
  • wet braking
Complaints
  • jerky throttle
  • ergonomics
  • power faults
Read the full summary

r/ElectricScooters: an owner at 5,000 km calls it a tank (Oct 2025)|A six-month owner praises premium build and confident wet braking but calls the ergonomics atrocious (Apr 2025)|Owners describe an all-or-nothing twist throttle (Jun 2025), and one reports a unit stuck at 4 mph with charge left (Jun 2026)

Google7 out of 10
Liked
  • hill climbing
  • stable ride
  • braking
Complaints
  • twist throttle
  • thin grips
  • range under the claim
Read the full summary

TechGearLab (buys its units) ranks it fifth in its 2026 scooter tests: about 19 mi of range, nearly 24 mph and a steep-hill climb at 10 mph, though it wants a thumb throttle and more grip padding (Sep 2026)|ERideHero (earns commissions) measured 23.6 mph, 26.8 mi and a 10.7 ft stop (Sep 2024)

YouTube7 out of 10
Liked
  • speed
  • suspension
  • value
Complaints
  • tested range under the claim
Read the full summary

Electric Scooter Guide (measures, does not always buy; affiliate links) tested the 300X at 24 mph and 20 mi alongside the 300P and calls the pair more for less (Jul 2024)

AmazonProduct-line5 out of 10

The 300X sits in a 100P, 100F, 300P and 300X Amazon listing family sold by NIU Global: 3.8 stars from 233 ratings, 55% five-star and 19% one-star; NIU's chart there gives the 300X 3.7 from 97 (Oct 2026)

User reviewsNot scored

The retailer pool is blank: Best Buy sells it, but all 225 reviews on its listing carry Best Buy's Incentivized or Tech Insider Network badge, so none are native unflagged, and the other seven retailers read (Walmart, Target, Costco, Sam's Club, Home Depot, Lowe's, Dick's) carry no listing of this model (October 2026).

Trustpilot
  • On Trustpilot, niu.com scores 1.5 from 549 reviews, with 9% five-star and 84% one-star (October 2026).
  • The Trustpilot page is claimed but shows no recent history of inviting reviews.
Track record
  • BBB rates NIU Technology Inc. F without accreditation, citing two complaints left unanswered (October 2026).
  • Searches of CPSC and Health Canada found no recall of an NIU kick scooter or e-bike (October 2026).
Not countedExcluded

Not counted in any pool: NIU's own store reviews, its YouTube and social channels, and posts by NIU staff.

Specs

  • TypeCommuter
  • E-Bike ClassNot applicable
  • Battery601-800 Wh
  • MotorSingle motor
  • Top SpeedUp to 20 mph
  • Claimed Range26-40 mi
  • Weight41-55 lb
  • Max Rider Load251-300 lb
  • BrakesMechanical disc
  • SuspensionFront
  • FoldingFolds
  • CertificationsEN 17128 certified, UL 2272 listed
  • Warranty2 Years

At a glance

  • Halo headlight
  • 37 Nm peak torque
  • App location tracking
  • OTA firmware updates

The store's terms name NIU Technology Inc. of San Jose, California, as a joint operator with NIU International Co., Ltd. The brand belongs to Niu Technologies, a Nasdaq-listed maker of electric two-wheelers based in Beijing.

  • NIU sells its kick scooters and e-bikes in the US through its own store, shop.niu.com, and some of its scooters through Best Buy.
  • NIU also sells through its own Amazon store, under the seller names NIU Tech. and NIU Global.
  • Best Buy sells NIU's KQi 300P, KQi 300X, KQi 200P and BQi-C3 Pro as the seller, Home Depot lists the KQi 100P and KQi Air, and Walmart and Target carry NIU only through marketplace sellers (October 2026).

The NIU KQi 300X is a folding commuter scooter with a 13 Ah battery of 608.4 Wh and a 500 W rear hub motor (1,000 W peak, 37 Nm). NIU labels the pack 48 V; 608.4 Wh equals a 46.8 V nominal pack times 13 Ah.

It has mechanical dual-action disc brakes front and rear plus regenerative braking, a 45 mm dual-tube hydraulic fork and 10.5 x 2.5 in self-healing tubeless tires. It weighs 48.7 lb, is rated for a 265 lb rider aged 14 and up, and folds in two steps.

The maker claims 20 mph on the road (23.6 mph off-road on its global page), up to 37.3 miles of range and a 25% hill. It has a halo headlight, a tail light, side reflectors and turn signals; the NIU app adds a lock, location tracking, cruise control and over-the-air updates, and it is rated IP55.

It comes in space grey and black at one price. NIU also lists it with a helmet for $928.00 and with a phone holder for $918.00 (sold out).

Questions answered from our data

All questions we answer

Stuff VS Things
Logo
Compare items
  • Total (0)
Versus
0
Shopping cart