Product Name: 4s 20A Lithium Battery Board BMS Bq2060 base Material: FR-4 Layers: Single-Layer Mode of Production: SMT metal Coating: Copper Product Description We have over six hundreds of PCM/BMS series products for your choice, most of them widely used for Li-ion battery pack, Li-Polymer battery pack, LiFePO4 battery pack and so on.Our main PCB/BMS normally adopt imported raw material for reliable quality, IC from Japan, MOS from USA, Components from Sumsang, Almost Zero RMA.we can customize the BMS for you as per your requirements.The BMS was designed for 2-4S battery pack,use TI BQ2060, suitable for different chemical properties battery, such as Li-ion, Li-Po and Lifepo4, it reserves the standard SMBUS port, support smart battery data transfer protocol SBS V1.1.BMS-L04S20-050 Features-2-4S battery charge and discharge protection function-Max continous discharge current 20A-Over current,short circuit protection function-Standard SMBUS port-Reserve external LED connection feature-Wide working temperature-Lower consumption-Size:65*52mm