HKM-447123 48V 18AH Electric Cargo Bike - HappyRun Tank G50 City E-bike with Max Speed of 60 km/h
SKU: 89120822405

HKM-447123 48V 18AH Electric Cargo Bike - HappyRun Tank G50 City E-bike with Max Speed of 60 km/h

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Description

HKM-447123 48V 18AH Electric Cargo Bike - HappyRun Tank G50 City E-bike with Max Speed of 60 km/hHKM 447123 48V 18AH Electric Cargo Bike Product Description HKM 447123 48V 18AH Electric Cargo Bike City E bike engineered for urban mobility, built for the modern rider. Experience a seamless blend of power, range, and cargo ready versatility that transforms daily commutes into effortless journeys. 37. 3 mph Top Speed 48V 18AH Battery Extended Range Eco Friendly 37. 3 mph Top Speed 60 km h maximum velocity powered by the robust 48V drive system

HKM-447123 48V 18AH Electric Cargo Bike - Product Description

HKM-447123 48V 18AH Electric Cargo Bike

City E-bike — engineered for urban mobility, built for the modern rider. Experience a seamless blend of power, range, and cargo-ready versatility that transforms daily commutes into effortless journeys.

37.3 mph Top Speed 48V 18AH Battery Extended Range Eco-Friendly
37.3 mph
Top Speed
60 km/h maximum velocity powered by the robust 48V drive system — arrive at your destination in record time.
48V High-Output Motor
18AH
Battery Capacity
864 Wh of total energy storage delivers up to approximately 50 miles (80 km) of assisted range on a single charge.
Long-Range Lithium Pack
Cargo-Ready
Design
Purpose-built rear cargo rack supports up to 66 lbs (30 kg) of payload — ideal for groceries, gear, and daily hauling.
66 lbs Payload Capacity
Why the HKM-447123 Stands Apart

In a market saturated with underpowered commuter e-bikes, the HKM-447123 delivers genuine performance credentials without compromising on everyday practicality.

Instant Acceleration. Zero Hesitation.

The 48V brushless hub motor delivers immediate torque from a standstill. Unlike lower-voltage systems that lag at traffic lights, the HKM-447123 propels you forward with authority — merging into city traffic becomes instinctive rather than stressful. The throttle response is calibrated for smooth, predictable power delivery across all speed ranges.

Intelligent Energy Management

The 18AH lithium-ion battery pack incorporates an advanced Battery Management System (BMS) that continuously monitors cell temperature, voltage balance, and charge cycles. This ensures optimal longevity and consistent performance across hundreds of charge cycles. The smart controller dynamically adjusts power output based on riding conditions, preserving energy when cruising and delivering full assist when climbing.

Technical Specifications at a Glance

Every component selected for durability, efficiency, and real-world riding conditions.

Motor:  48V Brushless Hub Battery:  48V 18AH (864 Wh) Top Speed:  37.3 mph (60 km/h) Est. Range:  ~50 mi (80 km) Display:  LCD Smart Screen Brakes:  Hydraulic Disc Tires:  20" × 4.0" Fat Load Capacity:  330 lbs (150 kg)
Battery & Range — The Heart of the Ride

A closer look at the energy system that powers every mile of your journey.

864 Watt-Hours of Total Energy
The 48V × 18AH configuration yields 864 Wh of stored energy — substantially more than the typical 500-672 Wh packs found on most commuter e-bikes. This translates to an estimated assisted range of up to 50 miles (80 km) under mixed riding conditions with pedal assist. Actual range varies based on rider weight, terrain, assist level, tire pressure, and ambient temperature.
Smart BMS Protection
The integrated Battery Management System safeguards against overcharge, over-discharge, short circuits, and thermal runaway — extending pack lifespan significantly.
Removable Battery Pack
Charge at home, in the office, or anywhere with a standard outlet. The lockable, removable design adds convenience and security.
Motor Performance & Power Delivery

The 48V brushless hub motor redefines what a cargo e-bike can achieve in urban environments.

Hill-Climbing Confidence

Thanks to the high-voltage architecture, the motor maintains strong torque output even on inclines exceeding 15% grade. Riders carrying cargo will appreciate the sustained pulling power that prevents speed sag on bridges, overpasses, and hilly city streets. The controller's sine-wave modulation ensures quiet, vibration-free operation at all RPMs.

Multiple Ride Modes

Choose from Eco, Standard, and Sport modes to balance range against performance. Eco mode maximizes mileage for long commutes; Sport mode unleashes the full 48V potential for spirited riding. The thumb throttle provides on-demand electric boost without pedaling — perfect for quick starts at intersections.

Design Philosophy & Build Quality

Aesthetics meet structural integrity in a frame designed for the rigors of daily urban use.

6061 Aluminum Alloy Frame
The lightweight yet exceptionally rigid frame is crafted from 6061 aircraft-grade aluminum alloy, providing an optimal strength-to-weight ratio. Precision TIG welding at every joint ensures long-term durability under loaded conditions. The frame geometry is tuned for an upright, comfortable riding posture that reduces fatigue on longer trips.
  • Step-through frame design — easy mounting and dismounting, even with cargo loaded on the rear rack
  • Internal cable routing — clean aesthetics and protection from snags and weather exposure
  • Integrated LED lighting — front headlight and rear brake light powered by the main battery
  • Wide 20" × 4.0" fat tires — enhanced stability, shock absorption, and grip on varied surfaces
  • Ergonomic saddle and grips — designed for extended comfort during long city rides
  • Corrosion-resistant hardware — stainless steel fasteners throughout for all-weather durability
  • Double-leg kickstand — stable parking even when fully loaded with cargo
Safety Systems You Can Rely On

Confidence-inspiring braking and visibility features for urban riding conditions.

Hydraulic Disc Brakes
Front and rear hydraulic disc brakes deliver consistent, powerful stopping performance in wet and dry conditions. The large 180mm rotors dissipate heat effectively during repeated braking on long descents.
Full LED Lighting
A high-lumen LED headlight illuminates the road ahead, while the integrated brake-light function alerts vehicles behind you when decelerating. Side reflectors enhance 360° visibility.
Cargo Capability & Everyday Versatility

Built to carry — from grocery hauls to work gear, this bike adapts to your lifestyle.

Reinforced Rear Cargo Rack

The integrated rear rack is engineered to support up to 66 lbs (30 kg) of cargo. Compatible with standard pannier bags, cargo baskets, and bungee cord tie-downs. Whether transporting work equipment, picnic supplies, or shopping bags, the rack's extended platform provides ample space for secure mounting.

Total Payload: 330 lbs (150 kg)

The combined rider-plus-cargo capacity of 330 lbs (150 kg) makes this one of the most capable cargo e-bikes in its class. The reinforced frame, heavy-duty spokes, and fat tires work in concert to handle substantial loads without compromising stability or ride quality.

Complete Technical Specifications

Every detail, meticulously documented for the discerning rider.

Model HKM-447123
Type Electric Cargo Bike
Motor 48V Brushless Hub Motor
Battery 48V 18AH Lithium-ion (864 Wh)
Top Speed 37.3 mph (60 km/h)
Est. Range ~50 mi (~80 km)
Frame 6061 Aluminum Alloy
Brakes Hydraulic Disc (180mm rotors)
Tires 20" × 4.0" Fat Tires
Suspension Front Fork Suspension
Display LCD Smart Display
Lighting LED Headlight & Brake Light
Ride Modes Eco / Standard / Sport
Throttle Thumb Throttle Included
Cargo Rack Load 66 lbs (30 kg)
Total Payload 330 lbs (150 kg)
Bike Weight ~62 lbs (~28 kg)
Charger 48V 3A Smart Charger
Charge Time 6–7 Hours (0–100%)
Kickstand Heavy-Duty Double-Leg
Designed for Real-Life Urban Scenarios

From morning commutes to weekend errands — discover how the HKM-447123 fits seamlessly into your daily routine.

Daily Commute
Skip traffic and parking hassles. The HKM-447123 delivers a swift, predictable commute with zero emissions — arrive at work energized and on time.
Grocery & Errand Runs
The cargo rack easily accommodates grocery bags and shopping totes. A practical, car-free solution for weekly errands within the city.
Weekend Exploration
Venture beyond your usual routes. The extended range and fat tires invite spontaneous weekend rides through parks, trails, and waterfront paths.
Sustainable Urban Mobility

Every ride on the HKM-447123 contributes to a cleaner, quieter city environment.

Zero Tailpipe Emissions
Unlike gas-powered scooters and motorcycles, this electric cargo bike produces zero direct emissions. For urban dwellers covering typical daily distances of 5–20 miles (8–32 km), switching from a car to the HKM-447123 can reduce an individual's transportation carbon footprint by up to 70% annually, based on average commuting patterns. The highly efficient electric drivetrain converts over 80% of battery energy into forward motion — compared to roughly 20–30% efficiency for internal combustion engines.
How the HKM-447123 Compares

Key advantages that set this e-bike apart from typical commuter models in its category.

✓ 48V System (vs. 36V common) ✓ 864 Wh Battery (vs. ~500 Wh avg) ✓ 37.3 mph Top Speed ✓ Hydraulic Disc Brakes ✓ 330 lbs Payload ✓ 20"×4.0" Fat Tires ✓ Aluminum Alloy Frame ✓ Removable Battery
Frequently Asked Questions
What is the actual range I can expect on a single charge?
Range depends on several variables including rider weight, terrain, assist level, tire pressure, wind conditions, and ambient temperature. Under mixed riding conditions using pedal assist (Eco mode), most riders achieve approximately 45–55 miles (72–88 km). In Sport mode with heavy throttle use, range may decrease to around 25–35 miles (40–56 km). The 864 Wh battery capacity provides a substantial energy reserve that outperforms many competitors in this price segment.
How long does it take to fully charge the battery?
Using the included 48V 3A smart charger, a full charge from 0% to 100% takes approximately 6 to 7 hours. Partial charges (e.g., from 30% to 80%) can be completed in about 3–4 hours. The Battery Management System automatically regulates the charging process to protect cell health and optimize longevity.
Is the battery removable for off-bike charging?
Yes. The 48V 18AH battery pack is fully removable and lockable. You can charge it on the bike or remove it to charge indoors — convenient for apartment dwellers, office charging, or secure storage in cold weather. The battery locks into the frame with a keyed mechanism for security.
What type of terrain can the HKM-447123 handle?
The 20" × 4.0" fat tires, front fork suspension, and robust 48V motor make this bike capable on paved roads, gravel paths, packed dirt trails, and moderate inclines. The wide tire contact patch provides excellent grip on wet pavement and loose surfaces. While not designed for extreme off-road use, it handles urban potholes, curbs, and uneven streets with confidence.
Does this e-bike require a license or registration?
Regulations vary by jurisdiction. In many regions, electric bicycles with a top speed of 37.3 mph (60 km/h) may be classified differently than lower-speed e-bikes. We recommend checking your local and state regulations regarding electric bicycle classification, helmet requirements, and any licensing or registration obligations before operating the HKM-447123 on public roads.
What is the recommended maintenance schedule?
Routine maintenance includes checking tire pressure weekly, inspecting brake pad wear monthly, lubricating the chain every 100–150 miles (160–240 km), and ensuring all fasteners remain torqued to specification. The brushless hub motor is sealed and requires no internal maintenance. The hydraulic brake system should be bled and refilled approximately every 12–18 months depending on usage intensity.
Purchase with Confidence

Every HKM-447123 order is backed by comprehensive customer protection policies designed to give you complete peace of mind.

Free Shipping on All Orders

Complimentary standard shipping to any address within the contiguous United States. Your HKM-447123 arrives at your doorstep at no additional cost — carefully packaged and fully assembled with minimal setup required.

180
180-Day Purchase Protection

An industry-leading six-month protection window covers manufacturing defects and ensures your investment is safeguarded. If any covered issue arises within 180 days of delivery, we will address it promptly at no charge to you.

30-Day Money-Back Guarantee

If the HKM-447123 does not meet your expectations, return it within 30 days of delivery for a full refund. We believe in the quality of our product and want you to ride with absolute confidence — no questions asked.

24M
24-Month Warranty Service

A comprehensive two-year warranty covers the frame, motor, battery, controller, and display against manufacturing defects. Our dedicated support team ensures any warranty claims are processed efficiently to keep you riding with minimal downtime.

The HKM-447123 48V 18AH Electric Cargo Bike — redefining urban mobility with power, range, and purposeful design.

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: 89120822405

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Ariel
Pawtucket, US
★★★★★ 3
Not a bad start
Format: Kindle
3 stars Thank you Netgalley and Briar Boleyn for the ARC! A camelot/king Arthur retelling with fae. I was hooked by the idea of this book immediately and was eager to jump into this world. • slow burn • enemies to lovers • who did this to you Morgan Pendragon watched her mother die by her father's hand when she was just eight years old, hiding under the bed. Morgan is believed to have the tainted blood of the fae in her veins and is cast aside so that her fathers illegitimate son, Arthur, can become the king. She's seen his cruel treatment of the fae firsthand, so when he sends her on a journey to find a fae weapon she seizes the opportunity to do more with her life. Along the way, she finds more than she could have imagined. I don't know a whole lot about King Arthur and Camelot but I had a lot of fun with this story! The plot has some similar tropes to popular romantasy books (From blood and ash) but there's enough originality here that it doesn't feel like I'm reading a copy. I liked how the fae were different in appearance than what is typical in most fantasy books I've read. In this book they have blue hair, violet skin and a wide range of other characteristics. I thought that the world building was easy to follow and I could easily immerse myself into this world. After reading the blurb I kept wondering when she was going to go on the journey to find Excalibur and it doesn't happen until around the 45% mark. The story is a bit slow at times but starts to pick up once they begin their journey to find Excalibur. The John Wick style Inn was a fun concept that I enjoyed reading about. There are a lot of similarities to this and FBAA and I would have liked to have it be a little more different, but I'm hoping book two will have the story turn into something of its own. Overall I enjoyed reading this story and I'm looking forward to reading book two especially after that ending.
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Reviewed in the United States on May 27, 2023
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❈ Elizabeth ❈ | Breakawayreads
Birmingham, US
★★★★★ 5
Fallen Angels, fae, vampires, oh my!
Format: Kindle
Rating: 4.5 | Spice: 2 (but a good slow-burn) • Main Characters: Huntyr and Wolf • I couldn’t wait to read this book; there was so much hype about it! And there was no doubt why. I fell in love with the characters and the plot itself. This book is mainly plot driven more than friction driven but it’s easy to follow along with. The characters are fun, easily understood. The main setting is at an academy where both the main characters are going through trials and building strength for the final test, The Transcendent. There are fantastic side characters as well. I loved the camaraderie between Huntyr and her friends. But we don’t like Lanson. 😆 We do have some plot twists that come into play throughout the book. Secrets and betrayal to be seen. I did adore Wolf and Huntyr’s relationship. It was a classic slow burn trope. They didn’t hit it off fast, but in time their feelings grew. I loved their banter, so sexy. Wolf is your next book boyfriend; Huntyr is your next vampire assassin independent bad-a*s female. Themes include loyalty, trust, self-discovery, a true slow burn romance. Side note: book ends on a angsty cliffhanger! • Emily, thank you for writing this awesome novel and I cannot wait to devour Book 2, Blood So Brutal! 😍 • Happy reading, my lovelies! xo
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Reviewed in the United States on January 21, 2024
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MelsABookworm
San Leandro, US
★★★★★ 4
“My heart bows to you and you only, Huntress.”
Format: Kindle
3.5 🌟 This book popped up in my KU recommended reading suggestions and the synopsis sounded like what I was in the mood for. I'm so glad I took a chance on it. I went into this knowing absolutely nothing about it and ended up really liking it. I love when this happens. The main characters are likeable and I easily found myself rooting for them. There is a mystery element to each of their backstories that I enjoyed watching unfold and can't wait to get more of. Wolf, in particular, has me fixated. Love him. I found this to be an entertaining, addictive read with a plot that moves along at a good pace. It reads so easily I found myself very reluctant to put it down. Lots of twists and turns and the angst is there. A good set up for the next book to come, for sure. My issues with this book....the dialogue feels a bit juvenile at times and there is a repetitive over use of a particular word phrasing that I found myself giving the ole eye-roll to. There are, without a doubt, some pretty cliche moments that gave me a bit of the cringe. I think this could've certainly 100% benefited from more depth regarding the world building. Perhaps the world building was sacrificed to keep the pacing quick? Just a guess. Also, the lack of consistency of character for the FMC was really evident and so she feels quite illogical at times. Overall, this was a fun and enjoyable read that hit the spot well enough for me. That ending certainly has me impatiently pining for book 2!
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Reviewed in the United States on June 18, 2024
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Amazon Customer
Port Orchard, US
★★★★★ 3
Interesting take on the genre
Format: Kindle
True rating: 3.25 ⭐️ I enjoyed the fresh take on the genre. The best way I could describe the setting and world is an apocalyptic dystopian version of Farie where vampires, fae, and angles struggle to survive in what is left of the world. It was definitely interesting throwing the academy/hunger games aspect into this world as well. Even though I guessed the final reveal early on in the book, I kept hoping I was wrong, and it would take a surprising turn. While the "plot twists" were a bit predictable to me, I still enjoyed the ride this book took me on. Another downfall for me was the plot holes in the world building... I.E. if society has fallen and the world is in the aftermath of war, how are there trains running around the world? Just to take young adults to the trials to get into the golden city? How is the train maintained, the tracks clear, etc? However, I did enjoy the FMC & MMC and thought they were fleshed out nicely. I also enjoyed the side characters but wish some were developed more like Ashalin (sp?). I do find myself rooting for the MCs to succeed and find happiness together, which is obviously an important aspect for romantasy. Overall, was this an earth-shattering, mind-bending, terrific piece of literature? No. But was it the worst thing I've read this year? Also, no. This book has, to me, the bones of a great read & just needs a bit more to push it from an alright book to a great book. Overall ratings: Plot- 3.5⭐️ World building 3⭐️ Spice 2.5 🌶🌶 Main characters 4 ⭐️ Supporting characters 3.5⭐️
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Reviewed in the United States on May 12, 2024
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Irene zamora
Belleville, US
★★★★★ 5
great book
Format: Kindle
I am really excited to meet the author at the book retreat this month. I really enjoyed this world that she built and most of the female main character Huntress is so awesome. She goes through a lot in this book and the ending; wow! I wouldn't have even guessed. I highly recommend everyone to read this book. I have been so lucky this year that almost all the books I have read have been, so far, 5 out 5 stars.
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Reviewed in the United States on June 2, 2026

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