Ebike electric system solution provider
Intelligent and precise management, reliable and durable

Self-developed BMS

More accurant SOC calculation : the detection telorance less than 25 mV for any single cell
Much longer standy time:  power consumption is less than 30uA 
Safer usage: several level protection function for CHG and DSG, and compatible with Topband diagnosis system

Intelligent HMI

Wide angle viewing range, clear display in the sun
Canbus communication,high anti-interference
Exrta USB port and support the upgrade of whole system
Reserved three ports for other accessories like light

Safe charging

Single line Communication ensure safer charging
Detect the battery state automatically
Shake hand protocol with battery to avoid the abuse of charger
Keep monitor during CHG

Mute drive system

Low noise
Stable output
Strong torque , easliy conqure the 30° upslope
Compact design , light weight and durable
Customization is welcomed

Compatible With Major E-Drive Systems

Max IPX7 water proof
Certified by EN15194:2017, UL ,etc
Professional ID 
Good for the frame design

Company mailbox
ebike@topband.com.cn
Information Hotline
+86-755-27651888 Ext:6700