10S 36V 13S 48V 15S 52V 15A Hardware BMS for E-bike

The 10S 36V 13S 48V 15S 52V 15A Hardware BMS for E-bike BMS (battery management system) provided by FY•X Chinese manufacturer is an efficient solution. These BMS devices support 15A current management to ensure the safe and stable operation of the battery pack. FY•X is known for its superior manufacturing technology and reliability, providing reliable battery protection for electric bicycles. These BMS use advanced technology to ensure intelligent monitoring and management of batteries, improving the performance and lifespan of the entire system. Choosing FY•X’s BMS is an investment in reliability and performance, providing riders with a safer and more reliable e-bike experience.

Application scope

This product is a protective board solution specially designed by Wenhong Technology Company for 13-string battery packs such as electric bicycles and motorcycles. It can be applied to lithium batteries with different chemical properties, such as lithium ion, lithium polymer, etc. The protection board has strong load capacity and the maximum continuous current can be 20A.

Functional characteristics

● 13 battery cells are protected in series;

● Charging and discharging voltage, temperature, overcurrent and other protection functions;

● Low power consumption.

Physical reference picture

Figure 1: Real picture of the front of the BMS

Figure 2: Real picture of the back of BMS

Electrical Characteristic (Ta = 25 ℃.)

BMS block diagram

Figure 7: Protection schematic diagram

PCB and size structure drawing

Figure 8: Top board wiring diagram

Figure 9: Mainboard bottom wiring diagram

Figure 10: Dimensions 65*52 Unit: mm Tolerance: ±0.5mm

Protection plate thickness: less than 12mm (including components)

Port Definition

Figure 11: Wiring diagram of the protection board

Port definition:

Figure 12: Battery connection sequence diagram

Precautions for the connection between the protection board and the battery core

Preparation: According to the definition shown in Figure 11, connect the corresponding voltage detection cable to the corresponding battery core. Please pay attention to the order in which the sockets are marked.

Steps to install protective board:

Step 1: Weld the P- and wires to the corresponding positions of the protection board without connecting the charger and load.

Step 2: Connect the negative pole of the battery pack to B- of the protection board;

Step 3: Connect the positive terminal of the battery pack to B+ of the protection board;

Step 4: Connect the battery pack and battery rows to J1 of the protection board;

Steps to remove the protective plate:

Step 1: Disconnect all chargers\loads

Step 2: Unplug the battery pack’s battery strip connector J1;

Step 3: Remove the connecting wire connecting the positive electrode of the battery pack from the B+ pad of the protective plate

Step 4: Remove the connecting wire connecting the negative electrode of the battery pack from the B- pad of the protective plate

Additional notes: Please pay attention to electrostatic protection during production operations.