Battery Management System

     3s~4s Protection Board
     5s~9s Protection Board
     10s~16s Protection Board
     17s~32s Protection Board

    Charger and Adapter

     Li-ion/Polymer/LiFePO4 Charger
     Lead-Acid Battery Charger
    Nihm Battery Charger
     DC-DC Battery Charger
    AC/DC Adapter

    Lithium Battery Pack

     2s~3s Lithium Battery Pack
     4s~6s Lithium Battery Pack
     7s~10s Lithium Battery Pack
     11s~20s Lithium Battery Pack

  

   Contact Information:

                                   

  
Mobile: +86-13632959016
                 +86-18948756108

   Tel: +86-755-23120816(10 lines)
   Fax: +86-755-23120816
   Email:
sales@wisementech.com

4S 12.8V 50A LiFePO4 Battery Management System (BMS)
Model Number Battery type   Li-ion/Polymer   LiFePO4  
WMB-4050LF  Cell number  4 cells 4 cells
Voltage  Charge voltage 16.8v 14.4v
Current  Max continuous discharge current 50A 50A
Max continuous charge current 50A 50A
Current consumption less than 20uA less than 20uA
Over charge protection  Over charge detection voltage 4.3v 3.9v
Over charge detection delay time 1.2s 1.2s
Over charge release voltage 4.08v around 3.8v around
Over discharge protection Over discharge detection voltage 2.5v 2.0v
Over discharge detection delay time 144mS 144mS
Over discharge release voltage 2.9v 2.3v
Over current protection Over current detection voltage 0.1v 0.1v
Over current detection 100A 100A
Detection delay time 9mS 9mS
Release condition
Cut load,automatically recover
Cut load,automatically recover
Short circuit protection Detection condition Exterior short circuit Exterior short circuit
Detection delay time 320uS 320uS
Release condition Cut load,automatically recover Cut load,automatically recover
Balance Balance voltage for single cell 4.2V 3.6V
Balance current for single cell 80mA 80mA
Resistance Inner resistance
20m
20m
Temperature Operate temperature range
-40 ~ +75C
-40 ~ +75C
Storage temperature range
-40 ~ +75C
-40 ~ +75C
Size(L*W*H)
130mm*70mm*13mm
(Return)
Company Address: Second Floor, D Building, An Le Industrial Park, Hang Cheng Road,  Xi Xiang Township, BaoAn District, Shenzhen, 518126, China.
Tel: +86-755-23120816, Fax: +86-755-23120816, E-mail:
sales@wisementech.com
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