unu Scooter Pro Battery Charger¶
- Input: AC 220-240V
- Output: 58.2V / 2A
Manufactured by QQE Technology Co. Ltd., Taiwan Model number QQE287-18CH03-L
Connectors¶
The battery is placed on top of the charger and mates its two encased sockets with the charger's three encased & spring-loaded pins. Middle pin is GND, outer pins are V+.
Charging contacts are customized ITT Cannon canted coil sockets (Source):
Derived from the leading ITT Cannon range of EV-charging products, this bespoke solution featured high-performance canted coil socket contacts for the battery and corresponding pin contacts for the scooter and charging dock.

- Pin Socket:
- Outer Housing:
- ID: 17mm OD: 25.5mm
- Inner Housing:
- Depth (rim to bottom): 30mm
- ID: 13mm
- Pin:
- Cap OD: 5.50mm
- OD: 5.5mm tapered to 6.5mm
- Battery Connector:
- Pin Pitch: 30mm (Center to Center)
- Length: 90mm (Outer housing, 3 pins)
- Width: 25mm (Outer housing)