Ouxi V8: parts, battery and fit
The Ouxi V8/C80 - Battery 48V fits the Ouxi V8, V8 Pro, V8 Max and V8 Ultra; the 4-pin battery holder fits six V8 models. For the V8 and V8 Pro we have the restricted M5 display, controllers with a red or black motor plug and hydraulic brake sets from Zoom and Logan. Below are the battery, wheel size and brakes per model, and a table with all 63 parts that fit the V8 family according to our fitment data.
Versions
- V8 2025: available in black, with built-in alarm.
- V8 Ultra: available in black, with NFC lock and front and rear suspension.
- V8 Ultra Max: available in black, with two batteries (1440Wh in total).
- V8 Ultra Mini: available in black, with 16 inch wheels and a 36V battery.
- V8, V8 Pro, V8 Max and V8 Pro Max: not available as a bike; parts are.
When ordering, you choose whether the bike comes in a box or assembled. The restricted version assists up to 25 km/h.
Battery, plug, tyres and brakes
| Model | Battery | Wheel size | Brakes | Weight | Rider height | Charging time |
|---|---|---|---|---|---|---|
| V8 2025 | 48V / 15Ah / 720Wh | 20 inch | Hydraulic | 36 kg | 150-200 cm | 4-6 hours |
| V8 Ultra | 48V / 15Ah / 720Wh | 20 inch | Hydraulic | 40 kg | 150-195 cm | 5-7 hours |
| V8 Ultra Max | 2x 48V / 15Ah / 1440Wh | 20 inch | Hydraulic | 40 kg | 150-200 cm | 5-7 hours |
| V8 Ultra Mini | 36V / 10.4Ah / 374Wh | 16 inch | Hydraulic | 30 kg | 120-170 cm | 4-6 hours |
All four models carry a maximum of 150 kg.
- Battery: Ouxi V8/C80 - Battery 48V fits the V8, V8 Pro, V8 Max and V8 Ultra. The V8 Ultra Mini has its own battery (Ouxi V8 Ultra Mini - Battery 36V 10.4Ah). For the V8 there is also Ouxi V8 - Battery BMS Circuit Board 15Ah.
- Battery holder: Ouxi V8/C80 - Battery Holder 15Ah (4 Pins), for V8, V8 Pro, V8 Max, V8 Pro Max, V8 Ultra and V8 Ultra Max.
- Two batteries: Ouxi - Equalizer Converter belongs to the V8 Max, V8 Pro Max and V8 Ultra Max.
- Charger: Fatbike Charger 48V (1-Pin) for V8 and V8 Pro.
- Motor plug: restricted controllers are available with a red motor plug (V8, V8 Pro, V8 Pro 24 inch, V8 Max and V8 Ultra) and with a black motor plug (V8).
- Display: Ouxi V8 / C80 / H9 / Q8 (2.0) - Display Restricted (M5), for V8 and V8 Pro.
- Brakes: hydraulic brake sets from Zoom and Logan, mechanical brake levers and brake calipers, and 140 and 160 mm brake discs.
Compatible parts
Not sure whether a part fits? Compare the plug, number of pins and size with your old part, or message us on WhatsApp at +31 6 82090642 or email info@fatbikeklaar.nl.
Frequently asked questions
Which battery fits the Ouxi V8?
The Ouxi V8/C80 - Battery 48V. According to our fitment data, it fits the V8, V8 Pro, V8 Max and V8 Ultra. Compare the connector, lock and dimensions.
Does a 48V battery fit the V8 Ultra Mini?
No. The V8 Ultra Mini has its own 36V battery of 10.4Ah and 374Wh.
What is the difference between the V8 2025, V8 Ultra and V8 Ultra Max?
All three have 20 inch wheels and hydraulic brakes. The V8 2025 and V8 Ultra have one 720Wh battery, the V8 Ultra Max two batteries (1440Wh in total).
Which display fits the V8 and V8 Pro?
The Ouxi M5 display (Display Restricted (M5)). It is restricted to 25 km/h and you mount it with the included screws.
Which charger fits the V8?
The Fatbike Charger 48V (1-Pin), for the V8 and V8 Pro with a 48V battery with 1 pin. Compare the plug and voltage.
What is the Equalizer Converter for?
With this converter you ride with two batteries. It is intended for the V8 Max, V8 Pro Max and V8 Ultra Max.
Which controller do I need: red or black motor plug?
Choose the same colour as the plug from your old controller to the motor. Both exist for the V8; take a photo of the connections beforehand.
How much warranty does a new V8 have?
3 years on the frame. 1 year on the battery, motor, controller, display and moving parts. Also read our warranty policy.
Buy the Ouxi V8
We deliver bikes in the Netherlands (€59), Belgium (€79) and Germany (€239).
You can find tunable versions and parts in the collection Tuning kits.
Last checked: 3 October 2026.