Battery pack convenient to rework and disassemble

The utility model discloses a battery pack convenient to rework and disassemble, which comprises a radiating fin, a BMS (Battery Management System) mainboard and a battery cell group, and is characterized in that the radiating fin is arranged on an MOS (Metal Oxide Semiconductor) tube of the BMS mainboard through threaded connection; a plurality of threaded holes are formed in the left and right ends of the BMS mainboard; the battery cell group comprises a plurality of battery cells, a left bracket, a right bracket and a plurality of nickel sheets, the battery cells are mounted between the left bracket and the right bracket, the left bracket and the right bracket are fixed together through screws, nickel sheet mounting grooves are formed in the left bracket and the right bracket, the nickel sheets are in contact with the battery cells through the nickel sheet mounting grooves, and through holes corresponding to the threaded holes are formed in taps of the nickel sheets; and the nickel sheet is fixedly connect