Abstract: This invention discloses a kind of rechargeable lithium-ion battery, which belongs to the technical field of rechargeable batteries. The rechargeable lithium-ion battery includes a PET sleeve, a PET gasket, a cell, a steel sleeve, a protective plate, an upper bracket, a lower bracket and a bottom gasket. The lower bracket and the bottom gasket are respectively fixed at both ends of the cell. The upper end of the lower bracket is fixed with the protective plate that includes a positive contact chip fixed in the middle of the surface, an LED indicator installed near the positive contact chip, and a universal charging and discharging base installed at the notch of the protective plate. The upper end of the protective plate is fixed with the upper bracket, which is clamped with the lower bracket. The upper and lower brackets are enclosed with the steel sleeve, whose lower end is closely riveted with the negative shell at one end of the cell head, and the upper end is fixed with the PET gasket.

Abstract: The invention discloses a lithium-ion battery with cap charging indication function, including PET sleeve, battery cell, support frame, steel sleeve, PCB board, ring nickel sheet, PET gasket and LED indicator, the inside of the PET sleeve is fixedly installed with cell, the top of cell is fixed with a support frame, the upper of the support frame is fixed with a PCB board, the middle of the upper part of the PCB board is fixed with an LED indicator, and the outside of the upper part of the PCB is fixed with a ring nickel sheet, the outer fixing sleeve of the support frame and the PCB board are installed with a steel sleeve, and the top of the steel sleeve is fixed with an insulating gasket. The invention of new type of PET sleeve is equipped with a cell, and the top of the cell is fixedly installed on the PCB board and the positive contact sheet through the support frame and the steel sleeve.