48 V Electric Bicycle Lithium Battery Cover 26 Mountain Bike Electric Motor Hybrid Smart Ebike Kit Helps Waterproof Rang 45 Km

48 V Electric Bicycle Lithium Battery Cover 26 Mountain Bike Electric Motor Hybrid Smart Ebike Kit Helps Waterproof Rang 45 Km
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Oписание продукта

QS Motor 273 4000W 273 40H V3 BLDC brushless electric car hub motor conversion kits with kelly7245H controller 


The Electric Car Kit includes most of things needed (except battery/charger) to convert your standard car into a top-of-the-line performance electric car, which delivers unequaled performance and reliability. 
You\'ll be out cruising along at approx. 60-90kph speed.



Key feature:

1. Simplify to make a electric-car. Gearbox, transmission shaft, clutch are no need. Which save space.

2. It could be installed in wheels, and easy to be hybrid car.

3. 2wd, it could be 72V 90KPH, 2*266N.m peak torque.

    4wd, it could be 72V 90KPH, 4*266N.m peak torque.

4. Easily to make 4-wheel drive, which could spot turn. 

5. Support regenerative braking

6. High efficiency: 85~92%



1. Battery and charger are not included in package.
2. The battery voltage depends on your application. (72-120V)

Package Includes:

2x 273 4000W 273 40H V3 E-Car Hub Motor

2x KLS7245H Controller

1x Throttle Pedal

1x X8-E Speedometer

1x 04type 1 tow 2 Hydraulic Disc brake system (with disc brake plate)

Production Description:


1. QS Motor 4000 273 40H V3 E-Car Hub Motor

  • Motor Type: BLDC Permanent Magnet Outer Rotor In-Wheel Hub Motor With Hall Sensor
  • Brand: QS Motor,QSMOTOR
  • Motor Design: Singleh axle without rim 
  • Matched Wheel: ≥14inch Car Wheel, PCD customizable, CB ≥60mm (PCD 5*112mm, CB60mm as default)
  • Magnet Height: 40mm, 16 pole pairs
  • Stator: Aluminmum Core
  • Rated Power: 4000W (8kW peak in few seconds) 
  • Rated Voltage: 48V as default (48V-144V, optional)
  • Speed: 80KPH as default (24-90KPH, optional) 
  • kV:11.46/143.54/15.69/17.71 etc.
  • Max Torque: approx 266N.m
  • Max Efficiency: 86-91%
  • Continuous Battery Current: 104A (48V)
  • Peak Battery Current: 210A (48V)
  • Suggest Peak Phase Current: 228-530A
  • Thermic Probe: KTY83/122 (as default, optional)
  • Working Temperature: 70-120℃ , peak 150 ℃ 
  • Brake type: Disc brake, PCD3*80mm-M8, CB 58mm(as default)
  • Dual Hall Set with waterproof connectors
  • 10mm² Cross Section of Phase Wire (not include insulation layer)
  • Hall Sensor Phasing angle: 120 degree
  • Waterproof Grade: IP54
  • Color: Black 
  • N.W./G.W.: 23.0kg/24.7kg   
  • Package Dimension: 43cm*43cm*34cm/piec 

PS. Normal Disc brakes is PCD3*80mm, PCD 58mm. It might get loose during driving, so we open new mold to be PCD4*114.3mm, M12.


Winding Information for 273 40H Motor:

273 40


2. KLS7245H, 24V-96V, 350A, Sinusoidal BLDC Motor Controller 

  • General Spec .:
  • 1. Programable, support regenerative braking
  • 2. Include function Cable, RS232 daptor, USB to RS232 connector
  • •Configurable battery voltage range, B+. Max operating range: 18V to 90V.
  • •Motor Current Limit, 10 seconds boost: 350A.
  • •Motor Current Limit, continuous: 140A
  • IP66+Fuse+better performace in termal dissipation
  • 7245

3. 0-5V Electric Car Throttle Pedal

  • Throttle Pedal Hall type : JKH model (match with our motor & controller)
  • Input voltage: 5V 12V 15V 24V 36V 48V 60V 72V 84V 96V 120V
  • Output voltage: 0-5V5-0V1-4.2V4.2-1V0-10V10-0V
  • Deafult: 5v input voltage (depends on controller design, for our matched controllers, you can choose 5v input voltage), 0-5v output voltage.


4. 48-100V Programmable Electric Car Speedometer

  • Rated Voltage:48V-144V ProgrammableShow Time, driving distance, speed, voltage, electric quantityTest Speed Type: Hall Sensor

5. 1 tow 2 Hydraulic Disc brake system (with disc brake plate)

  • 04 dayang left & right 38mm piston caliper with mechanical parking brake (pull type)
  • hydraulic service brake by foot
  • pitch of mounting 80 & 103mm
  • hoses 220cm + 2 x 80cm
  • T-shape hose connector
  • mechanical parking brake cable 95cm + 2 x 115cm (optional)
  • 220mm disc brake plate and screws (PCD 3*80mm, CB58mm, thicknees 4mm)
  • Suitable for QS Motor 273 Single Shaft Hub Motors

1 tow 2



No QS Motor, No Super EVs!