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BMS for 7S li-iom/Li-Polymer and LiFePo4 Battery Pack

size: L145*W75*T10MM

Descriptions: Leadyo designs and produces Smart bms with Smbus,7S 8s 9s 10s 11s 12S 15s 16s bms with Smbus,bms for 25.9V to 48V battery pack

Smart Battery Systems (SBS) with Gas/Fuel Gauge for 7S(25.9V)~16S(59.2V) 

For Battery Type: Li-ion/Li-Polymer and LiFePo4 Battery Pack

For 7~16 battery cells in series;(0.5Ah-100Ah) with I2C,HDQ Interface Communication.

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


 Protection Circuit Module Specifications  For 25.9V Li-ion/Li-po Battery  Pack 


 IC(BQ34Z100) Impedance Track Fuel Gauge With SMBUS Communication Port

Test   item

1 Voltage Charging voltage DC: 29.4V CC/CV4.2V/1cell
Balance voltage for single cell 4.2V±0.025V
2 Current Balance current for single cell 67mA±5mA
Current consumption for single cell 20μA
Maximal continuous charging current 30A
Maximal continuous discharging current 30A
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 90±10A
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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