10x Li-Ion Button Coin Cell Battery 5 V for Hearing Aids Watches Car Key Fobs
Technology: Li-Ion Capacity: 40 mAh Voltage: 3 V Nominal energy: 0.12 Wh Design/Size: CR1220, DL1220, E-CR1220, LM1220 Dimensions (L x W x H): 19 x 5.8 x 0.4 cm Material: plastic .