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Batteries & electrics for your fatbike
Batteries, displays, controllers, throttles and sensors for your fatbike. Voltage (36V or 48V) and connector type are critical — we confirm them before you order. 1-to-1 replacement only, no derestriction kits.
Products
23 partsBatteries & electrical
On backorder
On backorder
Batteries & electrical
Battery 48V 15Ah with mount – OUXI V8, C80
Compare 48V voltage + battery mount type with your current battery
€ 269,95
Batteries & electrical
Controller 48V 21A – OUXI V8 (EU, 25 km/h, black plug)
Compare plug colour (black) + motor power (500W) with your current controller
€ 64,95
Batteries & electrical
Controller 500W new model (red plug) – OUXI V8, V8 Max, C80
Compare plug colour (red) + motor power (500W) with your current controller
€ 64,95
Batteries & electrical
Twist throttle with short grip – OUXI V8, C80, V20, GT2000, GT16
Compare plug and number of wires with your current throttle
€ 15,95
Batteries & electrical
Combination switch 3-in-1 light/horn – OUXI V8, C80, GT2000, GT16
Compare plug and number of pins with your current switch
€ 12,95
Batteries & electrical
Pedal sensor (PAS) with cable – OUXI V8
Compare plug and cable length with your current pedal sensor
€ 21,95
Batteries & electrical
Wiring harness waterproof 5-pin (2025) – OUXI V8
Compare the number of pins on the headlight plug (5) with your current wiring harness
€ 19,95
Batteries & electrical
Controller 48V 21A – V20 (EU, 25 km/h, red plug, 500W)
Compare motor plug colour (red) + voltage 48V + motor power 500W with your current controller
€ 64,95
Batteries & electrical
Controller 48V 15A – V20 (EU, 25 km/h, black plug)
Compare motor plug colour (black) + voltage 48V + current rating 15A with your current controller
€ 64,95
Batteries & electrical
Pedal sensor (PAS) with cable – QMWheel V20, OUXI V20
Compare plug type + bottom bracket mounting side with your current sensor
€ 21,95
Batteries & electrical
Combination switch 3-in-1 – V20 (non-original, compatible)
Compare the functions (light/horn) + plug with your current switch
€ 11,95
Batteries & electrical
Twist throttle – QMWheel V20, OUXI V20
Compare plug type + number of wires with your current throttle
€ 18,95
Batteries & electrical
Battery holder – QMWheel V20, OUXI V20
Compare the battery type + contact shape with your current battery holder
€ 26,95
Batteries & electrical
Battery 48V 15.6Ah – QMWheel V20, OUXI V20
Compare voltage 48V + battery holder type and plug with your current battery
€ 279,95
Electronics that fit and are safe
With electrical parts, precision matters: the voltage (36V or 48V) and the exact connector type must match your existing system. A wrong combination won't charge or is unsafe. We supply only like-for-like replacement parts — no derestriction kits or speed unlocks. Read our charger guide for determining voltage and plug.
By model
Shop by fatbike model
Go straight to the parts that fit your fatbike.
OUXI parts 101OUXI V8 parts 101OUXI H9 parts 84OUXI V20 parts 737GO parts 44QMWheel parts 38Diablo parts 387GO EB2 parts 65Knaap parts 39ENGWE parts 37ENGWE M20 parts 61AGM parts 39Knaap AMS parts 60Knaap AMSX parts 607GO EB3 parts 587GO EB4 parts 587GO EB8 parts 58Knaap RTD parts 57ENGWE E26 parts 57Phatfour parts 37
Fatbike battery and electrics: parts that fit
The battery and its electrics determine your range and reliability. From battery holders and battery locks to wiring looms, controllers and on/off switches: these parts depend closely on the brand, model and voltage of your fatbike. A wrong connection simply does not work, or damages your system. Check the specifications or ask us if in doubt.
For which models?
We stock battery-related parts for, among others, the OUXI V8, H9 and V20, and for fatbikes with the widely used Hailong battery mount. Think of battery locks with keys, battery holders and wiring. Most fatbikes run on 36V. Not sure about your voltage or battery type? Check your battery or ask us — we will find the matching part for you.
Range and maintenance
Your range depends on the capacity (Wh), your weight, the surface and the outside temperature. In winter a battery delivers less; store it indoors and never charge it ice-cold. Storing your battery for a longer period? Keep it around half charged — that is kindest to the cells. A fitting battery lock protects your expensive battery against theft. In our charger and battery guide we explain capacity, lifespan and safe charging.
Everything matched together
When replacing an electrical part, check that your charger and display use the same voltage. Unsure about the connection? That's how you avoid a wrong order.