The 10273 is a 3 V 123 A lithium battery.
This lithium battery maintains power to volatile areas of the CR23X memory (e.g., clock) when the main power supply is disconnected or turned off.
The 10273 has a capacity of 1800 mAh and a self-discharge rate of 1%/yr @25°C. Operating temperature range is -40° to +85°C.
The 10273 needs to be periodically replaced. Users can replace the battery by following the process illustrated in the product manual.