The Panasonic Lithium BR-C battery is used as the back-up in instruments that use a battery to back-up the buffer and real-time clock in the event of main battery failure. Often this is devices like PLC and CNC machines. This is down the the very low self discharge rate of these cells of just 0.6% per year.
The BR-C also has a very wide operating temperature of -40°C to +85°C, and a cut off voltage of 3V.
We supply this Panasonic battery as a standard cell or with Tags.