Impecca 6 Alkaline C Batteries (6-Pack) at Lowes.com
Amazon.com: Synergy Digital Camera Battery, Compatible with Nokia BL-6C Digital Camera, (Li-ion, 3.7, 1100mAh) Ultra High Capacity, Replacement for DIGIPO LBAT100, LBAT1000 Battery : Electronics
Battery Eliminator - 6 C or 6 AA Battery Replacement - AC Power, 9VDC
OEM Nokia BL-6c 1070mAh Replacement Battery for Nokia Devices - Simple Cell Shop