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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Khaleesi
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★★★★★ 5
A lot of quality filters for little cost.
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Been using these for months, great quality. No issues what so ever. I compared price to the 2 main big box stores and this is the best for your bucks. You get a lot more and they are of the same quality. I used to get mine from a big box store with military discount of 10% and this is still a better deal. They fit exactly like the filter I took out, so size is the same. I live FL and run my AC constantly. These last about 2-3 months each. They do no lose their rigidity. They are built with very high quality material. They catch a lot of dust, you can see how dirty they are when replaced. PROS - great quality and last 2-3 months in my AC running constantly - you get a lot for your money when compared to the big box stores - catch a lot of dirt, filters are really dirty after use - very rigid which makes it easy to installation - reinforced wire mesh CONS - None
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Reviewed in the United States on May 31, 2026
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Arlo
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★★★★★ 5
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La Quinta
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Excellent to have on hand
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Excellent, time-saving purchase. Sturdy, easy to install.
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Texas Legend
Birmingham, US
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Great Fit and Noticeable Air Quality Improvement
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I purchased the Filterbuy 12x24x1 MERV 8 air filters and have been very happy with them so far. They fit perfectly in my HVAC system without any gaps or issues during installation. After replacing my old filters, I noticed the air in my home feels cleaner and there seems to be less dust settling around the house. They do a good job of capturing everyday particles and allergens while still allowing good airflow. Overall, this is a reliable and cost-effective 4-pack of filters. Solid quality, easy to install, and a noticeable improvement in air freshness. I’ll definitely be ordering again.
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