You will see the main questions what customer asked, you can send us message when you can not find answer.
BTN ebike is a global company which located in China, And have factoy in China&Europe. For marketing, they also have warehoues in USA/AU/EUROPE.
Folding bike: 150kg Step-thru bikes: 160kg MTB bikes: 170kg CARGO bikes: 200kg
Yes, you can, please make a reservation with our sale manager at first.
Drop Shipping &wholesale order:
Step 1: Send the ebike components specification&Bike frame/frame photo of the ebike to us.(Ask our Sales to get the sheet)
Step 2: BTN quote the ebike to you.
Step 3: Build the sample with 200USD extra cost.
Step 4: Sample ebike satisfied and start the bulk order(more than 50pcs/model).
Lots of customers used a 52V battery to connect with a 48V30A controller.Then the display might shown high voltage error 07. So BAFANG has update the 48V30A controller to 52V28A,then it can compatible with both 48V and 52V batteries. For a 52V battery it will show 100% on the display when connecting to the 52V controller, but for 48V battery,it will show 84%. We're still trying to resolve this matter,it's not a big question, it won't effect any fuctions. SOLUTION: Step1. Buy a program cable from us, here's the link: https://eunorau-ebike.com/collections/bbs-ena-kit-parts/products/8fun-bafang-center-motor-middle-drive-motor-kit-bafang-usb-programmed-cable There's a youtube video down below for how to use BBS/ENA PROGRAM CABLE. Step2.Download the program software here,first one"BBS/ENA Reprogram firmware": https://www.btn-ebike.com/Download.html Step3.Follow the instruction of "BBS-ULTRA-ENA Manual for reprogram.pdf" And here's the file of programming 52v to 48v. https://www.dropbox.com/s/j555b8yxyqxwm1v/CRR10E4830E105001.1_APP_190413%281%29.bin?dl=0
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