Custom 4S 8A Polymer Li-ion Lithium Battery Charger Protection Board For 4 Serial 4pcs 3.7 Li-ion Charging Protect Module BMS Manufacturer

1.Model:4 serial 14.8V 8A protection board 
2.Size:18*53*3mm 
3.Operating Current:0.5A-8A 
4.Overcharging Protection Voltage:single cell 4.20V+/-0.025V 
5.Overdischarging Protection Voltage:single cell 2.50V+/-0.1V 
6.Short Circuit Protection:yes 
7.Application Fits:3.7V cell/4 serial 
8.Load Power:

Notice:
1.First solder B-,then solder B1+,to B2+;next B3+,finally solder B+ 
2.Output port P-,P+,the soldering sequence is casual 
3.When soldering protection board,the touch time between soldering iron and protection board should not be too long,within 1.5s is the best