2 units of CR1225 batteries.
2 X EUNICELL CR2032,DL2032,BR2032,KL2032, 3 VOLT LITHIUM CMOS/COIN BATTERIES
2 x Eunicell 27A 12v BATTERY A27 MN27 EL812 L828 CA22 GP27A Zero Mercury
2 x Energizer 1225 CR1225 3V Lithium Coin Cell Battery DL1225 KCR1225 BR1225
2 x Energizer 1225 Lithium Batteries 3V Coin Cell CR1225 DL1225 BR1225
2 x ENERGIZER 1225 Lithium Battery 3v CR1225 DL1225
Eunicell - 2 x CR2025 CMOS 3V Lithium Button Coin Cell Battery with JST 2-Pin Connector - Replacement Battery For Desktop Computers Laptops and Motherboards