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2kW Electric Folding Bike Conversion (700Wh, 25Kg, 100Km range)

In this video a small steel folding bike is converted into a 2kW folding e-bike. Then there is also included some bike riding footage.The folding bike base is a strong Btwin B’fold 300, a very famous simple single geared 20″ folding bike.It reaches a maximum speed of 30mph (45km/h), powered by a 2kW maximum power controller with a direct drive BLDC rear hub motor that features regenerative brake. I build for it a very compact Li-ion battery working at 52V 14Ah (730Wh) that makes possible a 100% electric range of 50Km at top speed and 100Km at 20km/h. I made for it a complete electric installation with LED lights, USB power outputs and wireless alarm.
As a special feature this EV is built-in charger, so it can be charged whenever a 220VAC socket is near.Components used:- Btwin Bfold 300
- 2kW gearless BLDC DD rear hub motor working at 2000W maximum power
- 2kW sine wave controller
- 52V 14h (730Wh) 2.7kg specially designed Li-ion battery
- 12W (4W power) LED headlight
- 5050 SMD LED front and rear position lights
- fast removable lightweight battery (2.7Kg)
- Speedometer, battery, light and indicators display
- 120W customized watertight charger (52V, 2A) with battery meter
- KHE Puncture Proof Mac 2+ Street tiresSpecifications are:
- 45km/h max speed
- 50Km of 100% electric range at 45km/h
- 100Km of 100% electric range at 20km/h
- 25Kg of total weightSome special features are:
- complete electric installation with LED lights and power outputs.
- built-in charger. It is only needed to find a 220VAC socket and it can be charged everywhere, as in some inner city trains
- wireless alarm
- USB charging ports*info:  ► 
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