High-performance lithium-ion battery with an extremely long lifespan. Uses UL/IEC certified brand cells for enhanced safety. Features safety electronics to monitor the charging and discharging process. Equipped with gold-plated contacts to reduce contact loss and prevent corrosion. Includes a self-resetting thermal fuse (Polyswitch/PTC) for added protection against short circuits and overloads. The cell fixation with super adhesive tape increases impact resistance and mechanical protection. Continuous quality assurance tests ensure the highest quality. Comes with a 5-year warranty. Replacement for Canon LP-E8.