isinwheel S9 Pro Electric Scooter vs Razor Power Core E90 Electric Scooter
Buy the isinwheel S9 Pro for an adult commuter: it is faster, has more range, carries far more weight, and costs less. The Razor Power Core E90 is a kids' scooter with a 120 lb limit and 10 mph top speed, and at $198.50 at Martexplore.com as of November 3 it costs more than the S9 Pro's $142.49 at Amazon. The E90 only makes sense for a child 8 and up, and even then the price gap is hard to justify.
Today the isinwheel S9 Pro Electric Scooter costs $56.01 less at its best price.
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isinwheel S9 Pro Electric Scooter
4.9Choose the isinwheel S9 Pro if you are an adult or teen who wants a fast, long-range scooter for commuting, and you want the lower price.
- 19 mph top speed and 17-mile range suit real commuting.
- 264 lb capacity covers most adults.
- Honeycomb tires never need inflation and resist flats.
- Disc brake, turn signals and brake lights add visibility and stopping power.
- Folds in three steps and weighs 27.5 lb.
What separates them
| isinwheel S9 Pro Electric Scooter | Razor Power Core E90 Electric Scooter | |
|---|---|---|
| Top speed | 19 mph | 10 mph |
| Range or ride time | Up to 17 miles per charge | Up to 80 minutes of continuous use |
| Motor | 350W | 85W |
| Weight capacity | 264 lb rider maximum | 120 lb (54 kg) |
| Battery | 42V 7.5Ah lithium, 3-5 hour charge | 12V sealed lead acid |
| Brakes | EABS plus rear disc, turn signals and brake lights | Hand-operated front brake |
| Tires | 8.5-inch honeycomb solid, no flats | Urethane front wheel |
Price history
- isinwheel S9 Pro Electric Scooter: lowest $142.49 on Nov 3 at Amazon.
- Razor Power Core E90 Electric Scooter: lowest $99.00 on Oct 31 at eBay; $115.00 on Nov 3.
Prices at every store
isinwheel S9 Pro Electric Scooter
- AmazonNew
Availability unknown
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$142.49+ $40.00 shippingObserved at 6:29 AM
Also available at
- iSinwheel Official StoreCheck price at iSinwheel Official Store
Razor Power Core E90 Electric Scooter
- Martexplore.comNew
In stock
$198.50Free shippingObserved at 10:42 PM - mercari.comNew
In stock
$115.00+ $95.99 shippingObserved at 10:42 PM - AmazonNew
Availability unknown
As an Amazon Associate, Deal.ai earns from qualifying purchases.
$491.81+ $5.99 shippingObserved at 10:42 PM - WalmartNew
Out of stockSold by TRG
$119.00Free shippingObserved at 10:42 PM
Specs compared
| Spec | isinwheel S9 Pro Electric Scooter | Razor Power Core E90 Electric Scooter |
|---|---|---|
| Color | Black | Pink, Green |
| Weight Capacity | 220 lb capacity | 120 lb capacity |
| Motor Power | 350W | 85-watt |
| Maximum Speed | 19 MPH (30Km/h) | — |
| Maximum Range | 17 Miles | — |
| Battery Capacity | 42V 7.5Ah 315Wh | — |
| Battery Recharging Time | 3-5h | — |
| Wheel Type | Honeycomb Tires | — |
| Wheel Size | 8.5 inches/21.6cm | — |
| Weight | 27.5 lbs(13.5kg) | — |
What reviewers say
isinwheel S9 Pro Electric Scooter
With 4.9 out of 5 from 714 ratings, owners mostly describe easy assembly, a sturdy build and battery life that lasts several days of riding. Uphill performance and folding for buses and trunks come up often. The main complaints are a bumpy ride on some bike lanes and the warning against riding in rain.
- Easy to assemble and ride right away
- Sturdy, well-made build
- Long battery life across several days
- Handles uphill riding well and folds easily for transit
- Ride can be bumpy on some bicycle lanes
- Not to be used in the rain
Razor Power Core E90 Electric Scooter
Owners rate it 4.2 out of 5 across 167 ratings, generally happy with the speed and build for the price. Complaints center on battery life fading over time and the short run time as the battery ages.
Questions and answers
- Which is better for an adult commuter?
- The isinwheel S9 Pro. It reaches 19 mph, goes up to 17 miles per charge, and carries up to 264 lb, while the E90 tops out at 10 mph with a 120 lb limit.
- Is the Razor E90 worth it for a child?
- Only if the child is 8 or older and under 120 lb. It is simple and sturdy, but at $198.50 at Martexplore.com as of November 3 it costs more than the S9 Pro's $142.49 at Amazon.
- Which lasts longer on a charge?
- The S9 Pro. Its 315Wh lithium battery is rated for up to 17 miles, against up to 80 minutes of continuous use on the E90's 12V lead-acid battery.
- Can an adult ride the Razor E90?
- No. Its maximum rider weight is 120 lb (54 kg), so most adults exceed the limit.
- Which handles hills better?
- The S9 Pro. Its 350W motor is rated to climb slopes up to 20%; the E90's 85W motor is built for flat, slow riding.
- Which is cheaper right now?
- The S9 Pro at $142.49 at Amazon as of November 3, 2026, versus $198.50 at Martexplore.com for the E90.