Addmotor Garootan M-81 Cargo Electric Bike
- Class 2
- 601-800 Wh
- 351-400 lb max load
- Up to 20 mph
SVT Score, Lower
A fat-tire cargo e-bike with an integrated rear rack, hydraulic brakes and a 400 lb load limit, on a 720 Wh battery.
$1,099
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Usability
5.6 out of 10- Conflict: spec table 15 Ah, Addmotor's 2025 sale post 20 Ah
Better on batteryHimiway C3 cargo e-bikeThe C3 carries a 960 Wh battery. $1,499Scores 10.0- Peak: 907 W on the 2025 sale post, not scored
- Searched: UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
- Record: UL Product iQ, ANSI/CAN/UL 2849 (QGNS, Electrical Systems for E-Bikes; QGNS7 for Canada), GAROOTAN M-81, ADDMOTOR TECH
Strengths
- Hydraulic brakes on a cargo bike
- Low price for a cargo bike
- Puncture-resistant fat tires
- Integrated rear rack
- Turn signals and lights come fitted
Drawbacks
- Speed sensor rather than torque sensing
- Battery size stated two ways
- Torque figure not published
- Three colours sold out
- Shorter battery warranty than the motor
An affordable cargo hauler with good brakes, but a shorter battery warranty
Specs
- TypeCargo
- E-Bike ClassClass 2
- Battery601-800 Wh
- MotorHub
- Top SpeedUp to 20 mph
- Weight71-85 lb
- Max Rider Load351-400 lb
- BrakesHydraulic disc
- SuspensionFront
- FoldingDoes not fold
- CertificationsUL 2849 listed
- Warranty1 Year
Not published by Addmotor: claimed range.
Not checked: The claimed range for the 15 Ah pack
At a glance
- Mirrors and pump in the box
- Rider height 5'4" to 5'9"
- Polygon frame
The ADDMOTOR US trademark (registration 5226479) is registered to an individual, Chen Qiang, at an address in Guangzhou, China.
- Addmotor e-bikes and e-trikes are sold in the US by Addmotor Tech Inc. of El Monte, California, the company named on the warranty page and in the Terms of Purchase.
- Addmotor sells through its own store at addmotor.com, which ships from a warehouse in El Monte with free delivery to the 48 contiguous states and none to New York City.
- Its Amazon US listings are sold by a seller named Addmotor CO.,LTD.
- Its store sells mostly upright, passenger, tilting and family three-wheelers, with cargo, folding, fat-tire and moped-style two-wheelers alongside.
- Among major US retailers, only Walmart sells Addmotor e-bikes and e-trikes, through the brand's own marketplace store (ADD&MF&Z E-Bike), and none of those listings has ten reviews yet (October 2026).
The Addmotor Garootan M-81 is a fat-tire cargo electric bike with an integrated 25.8 in rear rack and a low 12 in step-through, a 48 V, 15 Ah UL-certified battery (720 Wh) and a 750 W rear geared hub motor; Addmotor publishes no torque figure.
It has hydraulic disc brakes, a 100 mm oil-spring fork, a speed sensor, a half-twist throttle and 20 x 4.0 in Kenda Gigas puncture-resistant tires. It weighs 85 lb and is rated for a 400 lb total load. It is limited to 20 mph and ships with lights, turn signals, a 5-inch LCD, mirrors and a pump.
Questions answered from our data
How much does an electric bike cost?The 245 electric bikes we list run from $799 to $12,500, with a median of $1,995.
Are electric bikes UL certified?88 of the 245 electric bikes we list carry a UL 2849 listing we could look up by model.
How far can an electric bike go?209 of the 245 electric bikes we list claim 41 miles or more on a charge, each on its maker's own basis.
Which electric bikes have a battery over 1,000 Wh?14 of the 245 electric bikes we list have a battery over 1,000 Wh, as their makers rate it.
