Product Description Product: Lithium button cell Model No.: CR3032 Brand: Malak (Self-owned Brand) Type: Lithium/Manganese Dioxi (LiMnO2) Nominal voltage: 3V Nominal capacity: 550mAh Diameter: 30.0mm Height: 3.2mm Weight: 6.8g Expiry Period: 6years Certificate: UL, CE, ROHS, REAC and so on