SKU: 83918201144

HKM-Z4M 43.5 Miles 48V 23Ah 1104Wh 2400W Dual-Motor Drive Long-Range Foldable Electric Scooter - Black

Sale price$495.00 Regular price$550.00
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Description

HKM-Z4M 43.5 Miles 48V 23Ah 1104Wh 2400W Dual-Motor Drive Long-Range Foldable Electric Scooter - BlackHKM Z4M Dual Motor Electric Scooter Unmatched acceleration. Uncompromised range. Engineered for those who demand performance without limits. 37. 3 mph Max Speed 43. 5 mi Est. Range (70 km) 2400W Combined Motor 25 Climbing Angle 330 lbs Max Load (150 kg) 98. 1 lbs Net Weight (44. 5 kg) 1104Wh Battery Capacity 8. 7 in Ground Clearance Dual Motor Dominance The HKM Z4M deploys two independent 48V 1200W motorsone in each wheeldelivering a combined output

HKM-Z4M Dual-Motor Electric Scooter

Unmatched acceleration. Uncompromised range. Engineered for those who demand performance without limits.

37.3 mph
Max Speed
43.5 mi
Est. Range (70 km)
2400W
Combined Motor
25°
Climbing Angle
330 lbs
Max Load (150 kg)
98.1 lbs
Net Weight (44.5 kg)
1104Wh
Battery Capacity
8.7 in
Ground Clearance

Dual-Motor Dominance

The HKM-Z4M deploys two independent 48V 1200W motors—one in each wheel—delivering a combined output of 2400W. This dual‑drive architecture provides instant torque, rapid acceleration from standstill, and a refined throttle response that inspires confidence on any road. Whether merging into traffic or overtaking on open stretches, the Z4M’s dual motors ensure you stay ahead.

Zero‑Lag Acceleration
Dual sine‑wave controllers modulate power delivery smoothly, eliminating jerky starts while maximizing thrust when you need it most.
25° Hill Climbing
Tackle steep inclines with ease. Both motors work in concert to maintain consistent speed even on gradients that challenge single‑motor scooters.

Endurance Battery System

A high-density 48V 23Ah lithium‑ion pack (1104Wh) lies at the core of the HKM-Z4M, engineered for long‑distance travel. Under ideal conditions—a 165‑lb rider on flat terrain at 15 mph—the scooter can achieve up to 43.5 miles (70 km) on a single charge. Real‑world range typically falls between 30 and 40 miles depending on rider weight, speed, temperature, and terrain.

Smart BMS Protection
The integrated battery management system monitors voltage, temperature, and current to prevent overcharge, overdischarge, and short circuits, extending cell lifespan.
8–10 Hour Charging
A standard AC charger replenishes the battery fully overnight. The charging port is conveniently located and protected by an IPX5‑rated cover.

Hydraulic Precision & Control

Front and rear hydraulic disc brakes give the HKM-Z4M authoritative stopping power with minimal hand effort. Dual‑piston calipers and large rotors translate lever input into immediate, modulated deceleration—wet or dry. Paired with the dual‑suspension chassis, you experience confident braking without sacrificing comfort.

Dual Hydraulic Discs
Zero cable stretch, consistent pad contact, and impressive fade resistance ensure reliable braking mile after mile.
Front & Rear Suspension
Spring shock absorbers at both ends absorb pavement irregularities, working together with the 11‑inch pneumatic tires for a plush ride.

Road‑Tuned Pneumatic Tires

The 11‑inch pneumatic road tires feature an optimized tread pattern for urban asphalt. They provide natural cushioning, reliable cornering grip, and help dampen vibrations that solid tires cannot match. The inner‑tube construction is easy to maintain and offers predictable handling in both dry and light rain conditions.

Connected Intelligence

Stay in command with the HKM smartphone app (iOS and Android). Switch between Eco, Sport, and Turbo speed modes, customize the dynamic LED ambient lighting to match your style, and monitor ride statistics—battery level, current speed, trip distance, and more—all from your pocket. The scooter’s onboard Bluetooth module syncs seamlessly, keeping your focus on the road.

App‑Based Control
Adjust riding modes, lock/unlock the scooter digitally, and update firmware over‑the‑air—no cables needed.
LED Customization
A vibrant headlight and full perimeter LED strip lighting can be personalized via the app—choose from millions of colors and dynamic effects.

Rugged, Foldable Aluminum Frame

Constructed from aerospace‑grade aluminum alloy, the HKM-Z4M balances strength with portability. The folding mechanism locks securely in both riding and folded positions, and the scooter collapses to just 52.0" L × 25.6" W × 23.6" H for convenient storage in a car trunk or closet. Despite its substantial capabilities, the frame supports riders up to 330 lbs (150 kg) while maintaining an 8.7‑inch ground clearance for speed bumps and curbs.

Quick Folding
One‑step folding with a reinforced latch reduces the scooter’s height by over half, making it manageable to carry or store.
IPX5 Water Resistance
Ride through light rain and puddles with confidence. Critical electronics are sealed against low‑pressure water jets from any angle.

Technical Specifications

Model
HKM-Z4M
Motor
Dual 48V 1200W (2400W combined)
Battery
48V 23Ah / 1104Wh Lithium‑ion
Max Speed
Up to 37.3 mph (60 km/h) – configurable
Estimated Range
Up to 43.5 mi (70 km) – varies with conditions
Max Load
330 lbs (150 kg)
Charging Time
8–10 hours (standard charger)
Brakes
Front & Rear Hydraulic Disc
Tires
11‑inch Pneumatic Road Tires
Suspension
Front & Rear Shock Absorbers
Water Resistance
IPX5
Unfolded Size
52.0" L × 25.6" W × 52.0" H (132 × 65 × 132 cm)
Folded Size
52.0" L × 25.6" W × 23.6" H (132 × 65 × 60 cm)
Net Weight
98.1 lbs (44.5 kg)
Ground Clearance
8.7 in (22 cm)
Max Climbing
25°
Features
App Control, LED Headlight & Strip Lighting

Frequently Asked Questions

What real‑world range can I expect?

Under ideal conditions (165‑lb rider, 15 mph, flat terrain), the HKM-Z4M can reach up to 43.5 miles. In typical mixed riding with hills and higher speeds, most riders experience 30–40 miles. Factors like rider weight, wind, tire pressure, and temperature will influence actual range.

How well does it climb hills?

With dual 1200W motors and 2400W peak output, the scooter easily handles inclines up to 25 degrees. The dual‑motor traction ensures steady speed even on steep grades, outperforming many single‑motor rivals.

Can I ride in the rain?

Yes. The IPX5 water‑resistance rating protects against low‑pressure water jets from any direction. Light rain and wet roads are fine, but avoid submerging the scooter or riding through deep puddles.

How long does charging take?

A full charge using the included standard charger takes approximately 8–10 hours. We recommend charging after each ride and storing the battery at 50–80% if not used for extended periods.

Is the app compatible with my phone?

The HKM app is available for both iOS and Android devices. It connects via Bluetooth and allows you to switch riding modes, customize LED colors, view ride stats, and perform firmware updates.

What is the maximum weight capacity?

The sturdy aluminum frame supports riders and cargo up to 330 lbs (150 kg), making the Z4M accessible to a wide range of users without compromising structural integrity.

Your Purchase, Protected

Free Shipping on All Orders
We deliver to your doorstep at no extra cost. Every HKM-Z4M order includes complimentary standard shipping—no minimum purchase required.
180 Days Purchase Protection
An extended protection plan covers material and workmanship defects for 180 days from delivery, giving you confidence in your investment.
30‑Day Money‑Back Guarantee
If you’re not completely satisfied, return the scooter within 30 days for a full refund—simple, straightforward, no questions asked.
24‑Month Warranty Service
A comprehensive 2‑year warranty covers the frame, dual motors, battery, and controller. Ride with peace of mind knowing we stand behind our engineering.

Ride Responsibly: Electric scooter regulations vary by jurisdiction. It is the rider’s responsibility to obey all local laws concerning operation, including speed limits, helmet requirements, age restrictions, and permitted riding areas. Performance figures are estimates based on ideal conditions; real‑world results may vary. Always wear appropriate safety gear, conduct a pre‑ride inspection, and never ride under the influence.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83918201144

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4.1 ★★★★★
Based on 9 reviews
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Product Reviews
C
Cart Curator
New York, US
★★★★★ 5
Comfortable for daily use!
Color: Dark, Color: Dark
After using this chair for work and general desk time, I think it does a nice job balancing comfort, adjustability, and overall build quality without feeling overly bulky or cheap. It feels designed for people who spend long stretches at a desk and want something supportive but still comfortable enough to relax in occasionally. Assembly was straightforward. The instructions were clear, the hardware was organized well, and all the holes lined up properly during setup. I put it together by myself in around 20 minutes without needing extra tools. Once assembled, the chair immediately felt sturdy and stable rather than wobbly. The overall quality is solid for this price range. The PU leather has a soft feel and doesn’t have the stiff plastic-like texture some office chairs use. The stitching looks clean, the armrests feel secure, and the rolling base moves smoothly across the floor. The chair also feels durable overall, especially around the frame and base where cheaper chairs sometimes feel weak or shaky after a few weeks of use. It's very comfortable. The seat cushion is thick and supportive without feeling overly hard, and it stays comfortable during long work sessions. I’ve spent multiple hours at a time sitting in it without constantly adjusting positions or feeling pressure points. The mesh section in the backrest also helps airflow a bit, which keeps it from feeling too hot during extended use. The lumbar support is great. The backrest naturally follows the curve of your spine and provides good lower back support while still feeling relaxed enough for casual sitting. I also liked the higher back design since it supports the upper back and shoulders well during longer periods at the desk. The flip-up armrests ended up being more useful than I expected. They make it easy to slide the chair under the desk when not in use, and they also give more room if you like sitting cross-legged occasionally. Solid chair overally. It has a good mix of comfort, support, ease of use, and practical features without feeling overpriced.
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Reviewed in the United States on May 26, 2026
T
theman
San Leandro, US
★★★★★ 4
Comfortable, easy to assemble, but no adjustable armrests
Color: Dark, Color: Dark
The Marsail Executive Office Chair Ergonomic Desk Chair with Flip-up Armrests PU Leather was an easy to assemble chair; I was done within 15 minutes with the included tool. Extra screws were included which was nice as the main pack had broken open and I couldn't find one of the primary screws in the larger box (my guess is I probably tossed it on accident with the packaging material) but had the backup so all was well. The instructions were well written and clear. I've now had the chair in my office for over a week. For context; I work from home and also am a PC gamer so I spend a sizeable portion of my time at my desk in the chair. I also live in the southeast US and its April when I am writing this review. With that said; its been in the 70s/80s regularly so feel like I can comment fairly on its performance in warmer temps; though I'll have to try and remember to comeback and update it for the summer season when AC is on full blast and humidity is higher (and the inevitable "swamp butt" sets in). In the first week I've found the chair to be comfortable to sit in. It is wide enough and the arm rests to the side enough that I can sort of lean left and right without much trouble. I like this wider seat and armrests compared to chairs with more narrow span as I tend to shift and move a lot while sitting. The PU leather material feels nice against my clothes and does "grip" the clothing which helps with my tendency to want to slide forward when sitting. At first I thought the "grip" would be annoying but I sort of like it after a week of using the chair. The cushion material is comfortable for sitting and rebounds well after I've been sitting in it for a long period of time. The armrests feature the same sort of cushion and PU leather material which makes them comfortable to sit back and lean on. For the price I think this is a solid office chair and a comfortable option. Longevity will only be tested over time so I'll see if I can remember to update this review over time. I am happy with the chair in my office. A few downsides about the chair that I have: - The wheels are very stiff and don't roll as smoothly as I'd like. They stay put when I am sitting at the desk but when I need to push away they take a bit of force. - The arm rests can't be adjusted for height. They are one height and can only be moved out of the way completely. For someone like who likes to lean or shift sides this is less than ideal as I'd normally make adjustments to the armrests. With that said it is nice to be able to move them out of the way completely when I don't need them. - Lumbar support could be better. I will be using additional support in the chair for my back.
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Reviewed in the United States on April 13, 2026
S
Sal
Waukegan, US
★★★★★ 5
Good for sitting on it daily. Not that soft as expected
Color: Dark, Color: Dark
I’ve been using this chair for a few days now and overall it’s pretty solid for a home office setup, especially for the price range. Assembly took me about 30–40 minutes alone and all the parts were labeled clearly. Nothing arrived damaged and the instructions were easy to follow, though attaching the backrest was a little awkward with one person. Once assembled, the chair looks clean and professional. The PU leather feels smooth and the cushioning is definitely thicker than cheaper office chairs I’ve tried. It’s comfortable for working several hours at a time, although I wouldn’t describe it as super plush or “sink-in” soft. The seat has a firmer feel, which may actually be better for posture during long work sessions. The ergonomic support is decent. The backrest follows the shape of your back fairly well and gives noticeable lumbar support compared to flat office chairs. I spend a lot of time at my desk and this chair helped reduce some lower back discomfort. The reclining and rocking feature is also nice for quick breaks between meetings or while watching videos. It doesn’t recline extremely far, but enough to relax a bit without feeling unstable. One feature I ended up liking more than expected was the flip-up armrests. They make it easy to slide the chair completely under the desk and also give more room if you like sitting cross-legged occasionally. The chair rolls smoothly and feels stable even when leaning back. A couple downsides though. The faux leather can get warm after extended sitting, especially in a warmer room. The mesh section helps airflow a little, but not enough to fully prevent heat buildup. Also, while the chair is comfortable, it doesn’t quite feel “premium executive” level in terms of materials. Some of the plastic components and armrests feel more mid-range than luxury. Overall, I’d say it’s a good value office chair with solid comfort, decent back support, and practical features. Great for everyday work or study use, just keep expectations realistic if you’re looking for a super high-end executive chair feel.
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Reviewed in the United States on May 6, 2026
R
Rose Petal
Whiting, US
★★★★★ 5
Comfortable chair constructed with good quality materials
Color: Dark, Color: Dark
Having purchased several chairs from Amazon over the years, I would rank the Marsail Executive Office Chair Ergonomic Desk Chair as one of the better quality options I've received. Here is a breakdown of my experience: Build Quality & Aesthetics I was immediately impressed by the quality of the base. It is crafted from brushed metal and has a substantial, premium feel that sets it apart from cheaper plastic alternatives. Additionally, the pneumatic height adjuster was easy to install and operates very smoothly. Comfort & Ergonomics -- Padding: The padding is not quite as thick as I expected, but it has proven to be very comfortable to sit in so far. Sometimes I am in the chair as much as 10 hours per day, and the foam in the seat holds it's form all day. -- Support: The chair does not include built-in lumbar support, so I am using a lumbar pillow. However, I actually find this preferable; it allows me to adjust the pillow to my exact needs or remove it entirely depending on how I'm feeling. -- Head support and tilt: I like to work in an upright position, but I sometimes i like to lean back for a rest. The chair leans back just enough to allow me to rest my head, but not so much that I feel like it will tip over. The head support is subtle too - it doesn't hurt my neck or force me to rest in an awkward position. Functionality -- The mobility of this chair is excellent. The wheels are high-quality and roll very smoothly on my hardwood floors, which is often a pain point with other office furniture. Final Verdict Despite the thinner padding and lack of integrated lumbar support, the superior materials and smooth mechanics make this a decent value for the money. It’s a sturdy, well-made piece of furniture.
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Reviewed in the United States on April 12, 2026
B
Birdie, Las Vegas, Nv.
Lake Worth, US
★★★★★ 4
Good quality office chair with movable arms
Color: Dark, Color: Dark
This chair was relatively easy to put together. After unboxing and laying out all of the parts, my husband and I built it in 22 minutes. We noticed how the instructions have you put the tilt mechanism bracket on after putting the back and arms on. Another chair we built was the opposite, which made attaching it to the base actually easier. That way just made more sense. This way, you put the back and seat together using the arms, then you attach the tilt mechanism to the bottom of the seat, but the seat is at an angle when you do this. Then you lift the whole chair and place it down onto the legs. I'm glad there were two of us to do that part. We also noticed one of the holes for screwing in the arm bracket was not lined in metal like the rest of them were. It still worked, though. It does rock a bit back and forth. The height adjusting rod also locks the chair in place for when you don't want the chair to lean back. There is a knob underneath that allows you to loosen or tighten how much it moves when you lean back or rock. The material is faux leather. It looks like real leather and feels pretty good. This makes it easy to clean. The arms can be raised level with the back of the chair to make it easy to slide out of the side of the chair. Overall this chair has a pretty classic look to it and is comfortable to sit in. It even has some lumbar support. The way the back of the chair and the seat of the chair connect together leaves a little bit of a gap. Nothing major, but you could lose coins or keys through the gaps between the cushions. If you have a cat, this would be a great way for them to poke their paws through and say hello.
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Reviewed in the United States on May 20, 2026

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