Five pack of LM1220 lithium coin batteries also referred to as a CR1220 battery is fully interchangeable. With a low discharge rate of <1% per year equating to a 10+year shelf life with almost full capacity.
LM1220 Battery Specifications:
- Diameter: 12.5mm
- Height: 2.0mm
- Voltage: 3V
- Capacity: 40mAh
LM1220 Equivalent and Cross Reference
BR1220 specifications can be found here.