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If your KuKirin will not charge, start by collecting a few clear observations. A green charger light alone does not identify a failed battery. The checks below cover the power supply, charger identification and visible condition, giving support useful information without opening the scooter.
1. Check for a reason to stop
Do not continue charging if you see swelling, leaks, burn damage or damaged cables, or notice unusual heat, smell or sounds. If you suspect damage after an impact or water exposure, ask for an assessment before another charging attempt. The Department for Transport's battery guidance explains these warning signs. If there is smoke or fire, leave the area and call your local emergency service.
2. Identify the scooter and charger
Photograph the model label and the complete charger label. Confirm whether the charger is the one supplied with this scooter. If its origin or compatibility is uncertain, pause the test. The CPSC's replacement-charger guidance says not to use another device's charger without confirming compatibility. Connector shape and a shared KuKirin name are insufficient.
Do not order a battery or charging port based only on the light colour. Record the symptom first; a component purchase should follow a diagnosis.
3. Check the external setup
- Confirm the wall socket works using an ordinary working appliance, such as a lamp. Do not use a visibly damaged socket.
- With the charger disconnected from mains power, check that any detachable mains lead is seated correctly. Look over the cable, plug and charging connector.
- With the scooter off and charger disconnected, look at the charging port. Photograph visible dirt, corrosion, damage or displaced contacts. Leave internal inspection and repairs to a technician.
- If everything appears intact and dry, and the scooter meets its manual's charging-temperature requirements, follow the manual's connection sequence once. Record the light behaviour without forcing or moving the plug to make charging start.
The G4 operation manual requires checks of the charger, cables and plugs before charging and says to turn the scooter off. A model's manual remains the reference for its charging procedure.
4. Describe the indicator accurately
The linked G4 manual describes red while charging and green when full. Compare that with your own charger's instructions. For a useful fault report, distinguish between these observations:
- No light: note whether the socket was confirmed working.
- Stays green: note the scooter's displayed battery level before the attempt.
- Flashes or changes colour: record a short video if you can do so without another charging attempt.
- Stops earlier than usual: record how long it charged and whether this is new behaviour.
These observations describe the problem; they do not prove which internal component has failed. Stop after the external checks if charging still behaves abnormally.
5. Send a complete support request
Contact support with your order number, model, label photographs, indicator observations and any error code already shown. Include when it last charged normally and whether the issue followed storage, a fall, rain or a charger change. Read the warranty policy before arranging repairs.
For future charging and storage, see our KuKirin battery-care guide.
Examples of model-specific parts
Check the exact model, version and compatibility before ordering.
Our support team replies within 24 hours, every day of the week.
