Custom battery managment system BMS for 30A 3S 4S power type rechargeable battery pack

Specifications Model:3s or 4S rechargeable battery BMS For Li-ion/Li-polymer Charging Voltage: 3S- CC/CV 12.6V(4.2V Cell); 4S- CC/CV 16.8V(4.2V Cell) Max continuous charge/discharge current: 30A Overcharge detection voltage: 4.25±0.025V Overdischarge detection voltage:2.5±0.080V Overdischarge delay time: 30-200ms Operation temperature:-40℃ to +85℃ Storage temperature: -40℃ to +125℃   For LiFePO4 battery Charging Voltage: CC/CV 10.8V (3.6V cell) Max continuous charge/discharge current: 30A Overcharge detection voltage: 3.9±0.025V Overdischarge detection voltage: 2±0.050V Overdischarge delay time: 30-200ms Operation temperature:-40℃ to +85℃ Storage temperature: -40℃ to +125℃     We provide various type PCM/PCB,and BMS for battery protection,welcome to contact for more details.   1Series,2Series,4Series and so on.....   Pictures: Packaging & Shipping Packaging:industrial package Shipping: FedEx/DHL/UPS/TNT , Door-to-Door; By Air or by Sea for batch goods, for FCL; Airport/ Port receiving; Customers specifying freight forwarders or negotiable shipping methods! Delivery Time: 3-7 days for samples;15-25 days for batch goods. Our Services We provide various type single cell battery. Battery assembly supported,battery with solder tabs,wires and connectors,with PCM,battery pack customization available. OEM&ODM Welcome. Warranty:1 year. Good after-sale service. Our products range widely from world wide brand battery,3V Lithium primary battery,li-ion battery,li-ion battery pack,li-polymer battery,Ni-Mh Ni-Cd battery,Lithium Thionyl Chloride battery,Alkaline battery,Silver Oxide battery,Zinc-Air battery,LiFePO4 battery,Battery accessories such as battery holder,battery charger,battery cap,red steel paper etc.   Contact us QQ: 2355452587 Skype: ctechsales09 What'sapp: +86 135 2887 1529 Email: sales09(at)ctech.net.cn