Below is TNE Star Product:1: TNE Battery Pack: 6 Years Experiences,We Mainly using Samsung&Panasonic cells,TNE Has many professional machine such as Automatic welding machine, temperature testing instrument,Vacuum degree reflectoscope reflector). TNE Battery Pack daily output reach to 800 pcs for Big project battery pack. TNE doing at least 3 times full charging&discharging cycle life test, Battery pack inside has insulation pad, Sony Fuse make sure When BMS find out even one cells current, temperature, internal resistance is abnormal, Then BMS start Double protection function.Battery pack quality make sure TNE Scooter has best safety, more stable, and with a Good consistency,could stand high current.2: Q4-V3 Best Scooter 60kpn, Distance 80kmAdditional Function: Fordable Seat, Anti-Stolen Function.10inch,Quciking Way, Due to Sealed structure drum brake makes it without any after-sales problem, 60kph,uphill 45 degree, support 200kg. Speed controlled by smart display controller, so it could according to customers need to change, Distance also accept customized. If you need to sit, we also could provide removable fordable seat.Due to Front&Rear oil suspension makes you riding it, more safety and stable. With a great performance when you try it on road.TNE Shipping:Now we sign contract with CE fast express, TNE has all Quality and Shipping certification, so which means, we have a strong shipping ability, Mostly of countries we could do clearance custom for you, some cities we can make door to door services with a very low price.Welcome to visit our factory, If you need sample for test, please contact with our sales team. Wish you have a great day! Thank you so much! http://www.tne-scooter.com/http://www.tne-group.net/en/