![](https://image.cautop.com/365f3j00hBjqCQVslmcU/Manufacturer-Supply-OEM-ODM-Supported-BMS-4s-12V-Battery-Management-System-for-Solar-Storage-E-Bike-UPS-Battery-Pack.webp)
![](https://image.cautop.com/365f3j00iCjqvuWdymof/Manufacturer-Supply-OEM-ODM-Supported-BMS-4s-12V-Battery-Management-System-for-Solar-Storage-E-Bike-UPS-Battery-Pack.webp)
1.Specification:
Items | Description |
Apply to | 12V 10A Lead acid replacement battery (LiFePO4-26650,4S3P battery pack) |
Communication Interface | SMBUS |
Model NO. (type1), BMS with communication | PCM-L04S20-E22 communication module dimension: L78*W52*T5.0MM Max.continuous working/discharging current: 20A |
Model no. (type 2) BMS with communication | PCM-L04S20-E14(A-1) with 2nd Level protection, dimension: L78*W52*T5.0MM Max.continuous working/discharging curent: 20A |
Model NO. (type3), No communication | PCM-L04S20-E14 communication module dimension: L78*W52*T5.0MM Max.continuous working/discharging curent: 20A |
Basic Functions | over charge protection,over discharge protection, short-circuit protection, over current protection, over temperature protection, cell balancing, etc. |
same or different ports? | Charge & discharge share a same port |
2. Features:
- BMS work with a communication transfer board as one" completed module" in order to support the CANBus, SMbus, HDQ,I2C, RS232,RS485 protocols)
- with bluetooth function (to connected with cell phone APP)
- download the SmarTec upper software, to read the total voltage, single cell voltage, single cell capacity, current,temp. cycles,etc.
( download the App " SmarTec-BMS" on Apple Phone, Andoried phone pls contact with us)
There are three different solutions for your choose:
1. connect with PC Upper software of SmarTec company (read data on your computer)
2. connect with APP of "SmarTec-BMS" via bluetooth (read data on you cell phone)
3. connect with LCD Screen "PCM-LCD001-415" made by SmarTec. ( read data on the screen)
![](https://image.cautop.com/365f3j00VRjhvUGYOroB/Manufacturer-Supply-OEM-ODM-Supported-BMS-4s-12V-Battery-Management-System-for-Solar-Storage-E-Bike-UPS-Battery-Pack.webp)
![](https://image.cautop.com/365f3j00VYjWvLfIguqM/Manufacturer-Supply-OEM-ODM-Supported-BMS-4s-12V-Battery-Management-System-for-Solar-Storage-E-Bike-UPS-Battery-Pack.webp)
![](https://image.cautop.com/365f3j00WGSheoRtYgqC/Manufacturer-Supply-OEM-ODM-Supported-BMS-4s-12V-Battery-Management-System-for-Solar-Storage-E-Bike-UPS-Battery-Pack.webp)
![](https://image.cautop.com/365f3j00lGjiCKRJrzoM/Manufacturer-Supply-OEM-ODM-Supported-BMS-4s-12V-Battery-Management-System-for-Solar-Storage-E-Bike-UPS-Battery-Pack.webp)