Ninebot D18W
The Ninebot D18W is a budget scooter made by Ninebot.
It is the lowest end of the Ninebot D Series, with the larger model being the Ninebot D28 (other regions have one more, such as the Ninebot D38U/Ninebot D38E).
This model is the W region code, possibly standing for worldwide/not speed limited.
There exists two other regional variations, that being the D18E, and the D18U.

Specifications
Original specs via Segway.
| Net Weight | Approx. 32.6 lbs (14.8 kg) | 
| Max Rider Weight | 220 lbs (100kg) | 
| Max Speed | Approx. 15.5 mph (25 km/h) | 
| Advertised Range | Approx. 11.2 miles (18 km) | 
| IP Rating | IPX5 | 
| Charge Time | Approx. 3.5h | 
| Battery Voltage | 36 VDC | 
| Charging Voltage | 42 VDC | 
| Charging Temperature | 32–104°F (0–40°C) | 
| Battery Capacity | 5100 mAh / 183 Wh | 
| Motor Power | 250W | 
ScooterHacking features more info on their Wiki Page.
Modding
This model does not have any custom firmware support from ScooterHacking at the current moment.