If your scooter has stopped charging, it’s tempting to assume the charger is to blame — but that’s not always the case. Most mobility scooters use two 12 V batteries working together, and even one weak or failed battery can cause charging problems. In other cases, the fault might lie inside the scooter itself, such as a blown fuse, a loose connection, or a faulty wiring harness. Before you replace anything, it’s helpful to work through a few common scenarios:
Symptom: The charger doesn’t turn on (no lights or sounds)
✅ Most likely cause: The charger is faulty or completely dead
➡ Try plugging the charger into another power outlet and check the wall switch is on. If there’s still no light or noise, the charger has likely failed and needs replacing.
Symptom: The charger turns on, but the scooter doesn’t charge or run
✅ Most likely cause: Either the charger isn’t delivering a proper charge, or one or both batteries have failed
➡ A glowing light on the charger doesn’t guarantee it’s working correctly — it may not be pushing enough current to charge. Likewise, even one failed battery (out of the two) can stop the scooter from working. Both charger and batteries need to be tested.
Symptom: Charging takes too long or the scooter loses charge quickly
✅ Most likely cause: Undersized charger or ageing batteries
➡ If your scooter takes all night to charge or only runs for a short time, your charger may be underpowered, or your batteries may be nearing the end of their lifespan. Upgrading the charger or replacing the batteries may be necessary.
Symptom: You’ve replaced the charger, but nothing has improved
✅ Most likely cause: One or both batteries have failed, or there may be an internal scooter fault
➡ If a new charger didn’t solve the issue, the problem is likely in the batteries — or inside the scooter itself (e.g. blown fuse or wiring). We recommend testing the batteries before spending more.
Symptom: Nothing works and the scooter is completely unresponsive
✅ Most likely cause: Could be a combination of a dead charger, flat batteries, or a blown internal fuse
➡ If nothing lights up at all, check the fuse (often located near the battery wiring or under the seat) and test both charger and batteries. If unsure, contact our team.