Lithium coin-type battery Energizer CR1220.

Chemistry: Lithium
Nominal Voltage: 3v
Nominal Capacity: 36 mAh
Diameter: 12.5 mm
Height: 2.00 mm
Packing: 1 - 5pcs/blister card.
Made in Japan.

Applications: Watches, Cameras, Calculators, Car Security Alarm, Keyless Car Remotes, Organizers, Glucometer, Computer Equipment (memory backup battery), Toys, accutron, Communication Equipment, data pack for video cameras, etc.
Replaces: CR1220, BR1220, DL1220, ECR1220, LM1220, E-CR1220, KCR1220, L04, 5012LC, SB-T13, PA, 280-208 

Price is for two batteries