Battery and electronic equipment

The utility model provides a battery and electronic equipment, the battery comprises a battery body and a circuit board assembly, the end part of the battery body is provided with a groove, and the groove is recessed towards the inner side of the battery body; the circuit board assembly comprises a first connecting piece and a circuit board, the circuit board extends in the first direction, the first connecting piece and the circuit board are both located in the groove, the first connecting piece is arranged on the side edge of the circuit board, and the first connecting piece is electrically connected between the circuit board and the battery body; wherein the first direction is one of the length direction or the width direction of the battery body. Through the structural design, the connection structure between the circuit board and the battery body is changed, so that the overall size of the battery is reduced, and the miniaturization design of the battery and the electronic equipment is further realized.