Pkcell LR14-2B 1.5V Alkaline C Size Battery, Pack of 2 - Walmart.com
Duracell Coppertop 1.5V C, LR14 Alkaline Battery - 4 Pack - DURMN1400B4 at Batteries Plus
C battery - Wikipedia
Amazon.com: Tenergy 1.5V C Alkaline LR14 Battery, High Performance C Non-Rechargeable Batteries for Clocks, Remotes, Toys & Electronic Devices, Replacement C Cell Batteries, 12 Pack : Health & Household