53.5V 2A Battery Charger for NIU / Ninebot / Xiaomi (SJT-125E)
Tax included.
Replacement charger for compatible NIU electric scooters using a 48V (13-series) battery system and the matching SJT-125E charging connector.
- Nominal battery system: 48V (13S)
- Charger output: 53.5V DC
- Output current: 2A
- Connector: SJT-125E (NIU-specific plug)
- Weight: 0.437kg (supplier specification)
Supplier-listed compatible models: NIU KQi3, KQi2 Pro, KQi2, KQi1 and KQi1 Sport. The supplier also lists Ninebot ES1, ES2, ES4, MAX G30LE II, MAX G30E II, D38E, D18E, D28E, F30E, F40E, F25E II and F2, plus Xiaomi M365, Essential, 1S, Pro, Mi 3 and Mi 6. Do not assume fitment to other NIU models.
Important before connecting: Confirm your original charger specifies 53.5V output and that the connector is the same SJT-125E type with matching pin layout and polarity. A matching connector shape alone does not establish electrical compatibility. Never use this charger with a battery requiring a different charging voltage.
Supplier identification: eWheel SKU BC-011; EAN 8435764412301; manufacturer reference 7427255410232.