8S BMS board with heat sink case for lithium phosphet battery pack. If you are making a electric cycle battery with lithium iron phosphet battery then you need this bms board to protect your battery from over charge protection, Low discharge protection and for battery good life. This bms board used in 32700/32650 lithium iron phosphet battery pack or LifePO4 battery model and can hold max discharge current of 20A current. 
 
Bms Specification - 8S 20A bms
Special HEAT sink protection.
Battery Full charging volatge - 29.4v
Battery Cutoff volatge - 22.4v
Battery nominal volt - 25.6v
Battery voltage range all general - 23 to 27v
Battery specification - 32700/32650 lithium phosphet battery 3.2v
You can easily connect up to 500 watts motor in this BMS system battery, like 250 watts, 350 watts e cycle motor.  
Overcharge protection 
Low Discharge protection
Over current protection 
Balanced Charging to each cell