New improved Vruzend V2. 1 no weld 18650 kit

Learn how to make your own battery with my book DIY Lithium Batteries: or check out my second book The Ultimate DIY Ebike Guide: Get your own Vruzend battery kit at The gear I use for my videos: Camera Nikon D5300: Lens Tamron 18mm 270mm: Thermal camera for iPhone, Android: Drone for follow me filming: Camera for invisible selfie stick shots: Here are some of the products I use: Bafang BBS01 kit: Bafang BBS02 kit: Bafang BBSHD kit: 250W complete ebike kit: 500W complete ebike kit: 1, 000W complete ebike kit: 36V 13Ah Hailong (shark) battery: 48V 15 Ah triangle battery: 52V 17. 5