Vruzend 18650 Li-ion Rechargeable Battery Building Kit. Colour coded. No Soldering or Spot Welding : Amazon.de: Sports & Outdoors
Bbshd 2kw Sony vtc6 battery, Vruzend kit 1.6 x3 Vruzend BMS full review on YouTube. 100 miles at 30mph easy, 60/75 no pedaling. I got 51 miles with almost 40 percent battery