Product Description Specification item value Model Number JK-1A/2ABMS Place of Origin China Guangdong Brand Name JKBMS JikongBMS Base Material FR4 Copper Thickness 1.0mm Board Thickness 2.0mm Min. Hole Size Min. Line Width Board Size 162*102*20.4mm Packing & Delivery 1PC/box 20pcs/ctn Company Profile Shenzhen Yirui Technology Co., Ltd is subsidiary company of E&J Technology Group which is one of the oldest battery manufacturer in China. Whose battery technology is with same