Duracell DL2450 Photo Lithium Coin Battery, 3 VDC, 620 mAh, 24.5 mm Dia x 5 mm H Battery
Energizer ECR2032BP Non-Rechargeable Coin Battery, Lithium Manganese Dioxide (Li/MnO2), 3 V Nominal, 225 mAh Nominal, 2032
Energizer Zero Mercury 357BPZ-3 Button Battery, Silver Oxide, 1.55 V Nominal, 138 mAh Nominal, 357/303