The Ninebot NFBP4814B is a 48v removeable, stem-mount battery for the Ninebot C1/SNSC 3.0.

The Ninebot NFBP4814B via Segway[1].

Specs

Original specs via Segway.

Ninebot NFBP4814B
Rated Capacity 13.8Ah
Rated Power 662Wh
Max Charge Current 5.5A
Max Discharge Current 29.4A
Battery Voltage 48 VDC
Charging Voltage 54.6 VDC
Charging Temperature 32–104°F (0–40°C)
UL Link https://iq.ulprospector.com/en/profile?e=3914736

Serial Prefix/Region

28AGJ - Tier C1

28BGJ - Spin C1

Firmware

This battery is based on the STM32G0B1 MCU. It's compatibility with other firmware is not known.