Double the battery. Double the range. Built to haul it all. The Kingbull Voyager 2.0 Dual Battery is a long-range step-thru electric cargo bike designed for riders who need serious hauling power and extended ride time. Powered by a 750W Bafang brushless hub motor delivering up to 85 Nm of torque, and equipped with dual 48V 15Ah (1440Wh total) Samsung batteries, this bike offers up to 100 miles of range on a single charge. A durable step-thru frame, heavy-duty rear rack, and fat tires make it perfect for commuting, cargo runs, and everyday utility riding.
Why you’ll love it
- Dual-battery long range: Two 48V 15Ah Samsung batteries (total 1440Wh) deliver up to 100 miles per charge for extended rides.
- Powerful cargo performance: 750W Bafang motor with ~85 Nm torque provides strong acceleration and hill-climbing ability even when loaded.
- Built to carry more: Supports up to 450 lbs total payload with a reinforced frame and integrated rear rack.
- Step-thru convenience: Easy-access frame design makes mounting and dismounting simple for riders of all sizes.
- Smooth, natural ride feel: Torque sensor adjusts power based on pedaling effort for a more intuitive riding experience.
- All-terrain stability: 20" x 4.0" CST fat tires provide grip and comfort on pavement, gravel, and light off-road terrain.
- Reliable stopping power: Hydraulic disc brakes with 180 mm rotors deliver consistent braking performance.
- Comfort-focused ride: Front suspension fork (≈60 mm travel) absorbs bumps for smoother rides with or without cargo.
- Versatile daily utility: Perfect for commuting, grocery runs, passenger seating, or gear hauling thanks to its cargo-ready design.
Quick specs
| Motor | 750W Bafang brushless hub motor |
| Max Torque | ~85 Nm |
| Battery | Dual 48V 15Ah (1440Wh total) Samsung lithium |
| Top Speed | Up to 28 mph (Class 3) |
| Range | Up to 100 miles (dual battery, ideal conditions) |
| Charge Time | Approx. 5–6 hours per battery |
| Display | 4.0" full-color LCD display |
| Sensor | Torque sensor + brake sensor |
| Throttle | Thumb or twist throttle |
| Pedal Assist | 5 levels |
| Frame | Step-thru aluminum alloy frame |
| Fork | Suspension fork (~60 mm travel) |
| Brakes | Hydraulic disc brakes |
| Brake Rotors | 180 mm |
| Tires | CST 20" x 4.0" fat tires |
| Drivetrain | SHIMANO 7-speed |
| Weight | ~76 lbs |
| Max Payload | 450 lbs |
| Rear Rack Capacity | 180–200 lbs |
| Rider Height | 5'2"–6'6" |
| Classes | Class 2 / Class 3 |
| Lighting | Integrated headlight, brake light, and signals |
What’s included
- Kingbull Voyager 2.0 Dual Battery electric bike
- Two 48V 15Ah Samsung lithium batteries
- Smart charger(s)
- Integrated rear cargo rack
- Lighting system and full-color display
- Owner’s manual
Warranty & support
2-year warranty, free shipping, and a 15-day return policy are commonly offered by Kingbull for the Voyager 2.0 lineup.
Note: Real-world range and performance vary based on rider weight, terrain, cargo load, assist level, and riding conditions. Maximum range estimates are based on ideal usage scenarios.