Specifications  For 3.7V （1S） Li-ion Battery Packs battery management System

1.Voltage Charging voltage    DC4.2V    CC/CV

Balance voltage for single cell     　

2.Current Balance current for single cell       　

Current consumption        ≤10μA

Maximal continuous charging current       2A

Maximal continuous Discharging current  2A

3.Over charge Protection      

Over charge detection voltage for single cell    4.30±0.05V

Over charge detection delay time      0.5S—2S

Over charge release voltage for single cell       4.10±0.05V

4.Over discharge protection  

Over discharge detection voltage for single cell       2.40±0.10V

Over discharge detection delay time  10mS—200mS

Over discharge release voltage for single cell   3.0±0.10V

5.Over current protection     

Over current detection voltage   0.14±0.02V

Over current detection current   3.5±1A

Detection delay time        7.2ms—11ms

Release condition       Cut load

6.Short protection 

Detection condition      Exterior short circuit

Detection delay time    200-500us

Release condition  Cut load

7.Resistance    Protection  circuitry（MOSFET）     ≤60mΩ

8.  Temperature    Operating Temperature Range       -40～+85℃

Storage Temperature Range     -40～+125℃