★★★★★  

2022 Polly-21700 4C Battery Case for 40pcs 21700 Cells with inner 9 tube Controller

1--Voltage: 36V or 48V or 52V

2--Charge Port: 2.1DC

3--Dimension: 368x103x95mm

4--Recommend configration:10S4P,13S3P max 40pcs 21700 cells.

5--Carrier for bike included

6--With Power Switch and LED capacity indicator.

6--If you need inner controller you can choose it.

Specification of the controller:

1--Voltage: 48V/36V

2--Maximum current: 22A±1A

3--With Julei waterproof connector: 9holes for motor, 3holes for PAS, 8holes extend cable for 1-4

4--This controller is KT 9mosfets sine wave controller.

5--48V Controller can fit our 48V500W AKM-128 CST motor,it can't  fit the 700-1000W motor.

Specification of the BMS:

 
1.10S or 13S or 14S BMS

2.Discharge current:20A(can fit 250-500W motor),30A(can fit 700-1000W motor)

3.Max Charge current:5A

4.With power switch function.

Download the case drawing

★★★★★  Contact us NOW!

Email: topbikekit@hotmail.com

Skype: TBK Chen (topbikekit@hotmail.com)