Battery disassembling tool

The utility model provides a battery disassembling tool which is used for cutting a shell of a battery. The disassembling tool comprises a positioning support, the positioning support comprises a positioning assembly, the positioning assembly is used for positioning the batteries, and the size of the positioning assembly can be adjusted so that the batteries of different sizes can be positioned; the cutting knife assembly can be arranged on the positioning bracket in a manner of sliding along the circumferential direction of the battery, the cutting knife assembly comprises a cutting knife, and the cutting knife is used for cutting a shell of the positioned battery. The battery disassembling tool comprises the positioning assembly with the adjustable size, the positioning assembly can adapt to and position batteries of various sizes, the positioning support can bear the cutting knife assembly and can provide guidance for the advancing route of the cutting knife assembly, the cutting line is stable, and the cu