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DURACELL DL2450BPK Battery, 3 V Battery, 600 mAh, CR2450 ...
3 VARTA CR2450 Lithium Batteries 3V 560 MAH Cell Botton CR2450SLF Exp 2030 New 4008496043712 | eBay
Non-Rechargeable Li-Mno2 Button Type Battery Cr2450 600 mAh 3.0V with Stable Discharge Voltage - China Lithium Battery, Non Rechargeable Battery | Made-in-China.com