Duracell Coppertop C Alkaline Battery (2-Pack) MN1400B2Z-09161 - The Home Depot
2 X 4 PACK DURACELL 21/23 BATTERIES 12 V MARCH 2027 DATE 8 BATTERIES FREE SHIP | eBay
Duracell on Twitter: "@runner_carm @Energizer That's not living up to the copper standard. Call us toll-free at 1-800-551-2355 (Monday—Friday 9am—6pm EST) so we can sort this out." / Twitter