Disclosed is a cylindrical lithium battery cap sealing structure with a built-in BMS board, including a steel housing, wherein an outer surface of a side of the steel housing is fixedly connected to a bottom housing, and a top surface of the bottom housing...

The invention discloses a production process for a rechargeable cylindrical lithium battery with a built-in BMS board, which includes a cap production process, a battery cell production process and a finished product assembly and production process, solves...