Lithium battery BR series

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Panasonic's BR series Lithium coin type batteries feature a low self-discharge rate at 20°C of just 1.0% per year, a wide operating temperature range of -30°C to +85°C, and a superior long-term reliability. Moreover, Panasonic has many years' experience in the production of these devices. Our batteries are ideal for tracking and RFID, memory back-up, real time clock (RTC), meters and other applications. Features Self-discharge rate at 20°C of just 1.0% per year Wide operating temperature range: between -30°C to +85°C Superior long-term reliability 42+ years of experience in the production Do you want to look inside a lithium coin type battery? This 3D graphic shows the inner working of such a device, and gives an excellent overview of the battery materials (electrodes, gasket, insulator, poles, etc.). Negative pole Separator Gasket Positive pole (cell can) Cathode (poly-carbon monofluoride) How to read the model numbers used for Lithium batteries As a general rule, the model number contains two capital letters and four digits as shown in the example, (exceptions do occur). This numbering system is supported by the Japan International Standard Committee of Clocks and Watches and is also an established practice in Japan. B - poly-carbon monofluride lithium battery 23 - battery diameter (in mm) 30 - divide this number by 10 to obtain the battery height (in mm)