Great for any emergency, the ReZAP Battery Converter is a terrific item that pays for itself in the currency of convenience, With a trouble-free design and featuring easy-to-use simplicity, the ReZAP Battery Converter lets you use any standard AA battery in C and D battery devices, With the ReZAP Battery Converter in the drawer, you"ll NEVER be caught wanting over-sized batteries again!, Great for emergencies!, Easy-to-use - just insert AA batteries!, Never be without C or D batteries again! SKU: PCTS163