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Smart BMS for Li-ion Battery Pack

size: L90*W50*T6mm

Descriptions: Leadyo designs and produces battery protection circuit module,battery protection circuit board,battery management system,PCM,BMS,PCB,BMS,Gas Gauge Board,Fuel Gauge Board,Power Display Board,Smart bms pcm.


Smart Battery Systems (SBS) with Gas/Fuel Gauge support for 5S(18.5V)~10S(37V) Li-ion and Li-Polymer battery pack (1Ah-10Ah)


1.For Battery Type: Li-ion/Li-Polymer;

2.For 5~10battery cells in series;

3.Battery Capacity should be 1Ah~10Ah;

4.With I2C and HDQ interface communication;

5.Can read the battery pack information via connecting a LCD or PC 


Specification:

 Protection Circuit Module Specifications  For 33.3V Li-ion/Li-po Battery Pack 

ModelPCM-L10S10-9149S

Connect to PC can show total voltage,capacity,temperature,working current,cycle life, with I2C and HDQ port, 5 LED, this bms use for 1-10Ah batetry pack.
No. Test   item Criterion
1 Voltage Charging voltage DC: 42V CC/CV4.2V/1cell
Balance voltage for single cell 4.2V±0.025V
2 Current Balance current for single cell 85mA±5mA
Current consumption for single cell 20μA
Maximal continuous charging current 12A
Maximal continuous discharging current 12A
3 Over charge Protection                           single cell Over charge detection voltage 4.25±0.025V
Over charge detection delay time 0.5S—2S
Over charge release voltage 4.05±0.05V
4 Over discharge protection                        single cell Over discharge detection voltage 2.5±0.07V
Over discharge detection delay time 10—30mS
Over discharge release voltage 3.0±0.1V
5 Over current protection Over current detection voltage 0.2±0.015V
Over current detection current 35±5A
Detection delay time   5ms—20ms
Release condition Cut load
6 Short protection Detection condition Exterior short circuit
Detection delay time 200-500us
Release condition Cut load
7 Resistance Protection  circuitryB- TO P- 30mΩ
8 Temperature Operating Temperature Range -40+85
Storage Temperature Range -40+125
Over  Temperature protectiondischarge 60±5


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