highwing bike ebike gadget for bike to become an ebike by changing the wheel

easily change the Highwing bike to Highwing Ebike with Highwing ebike gadget .shifting  mode of 100% bicycle ,paddel assisted mode and 100% motor mode seamless. 

Battery :36V 5.8A 

USB slot for charging 
On/Off button

Waterproof

the battery can be  removed easily  by one click to be used as power bank when camping
Battery weight:1.5KG

Total weight:13.5KG of bike plus 1.5KG of battery
Put to the same backpack of Highwing bag : YES
Is it ok to install   the gadget later after buying the Highwing bike: Yes
APP :Highwing Bike , easily adjust the power out percentage for paddle assisted mode from 0%- 100%