SIZE AA TO CThe AA to C battery adapter is a set of 4pcs professional and practical battery adapter converter cases, which are specially used to convert any size AA to size C battery for use. Just put 1 AA battery into the converter, it will function the same as a C-size battery. FRIENDLY MATERIALThe battery adapter is made of environmental material, harmless to your health. Battery adapters holder switcher is fine workmanship, and standby specification. EASY TO CARRYThe battery converter AA to C has large strength and strong toughness, small size, easy to carry. Color may be little different due to monitors. Please take real product as standard. MODEL SUITABLEThe battery adapter with battery limit slot to fix the battery in a good place, and battery adapters holder switcher is perfect for electronics and emergency situations. A gadget to keep close at hand, at home, at the office, etc. LONG-TERM USEThe AA to C battery converter is made of hard plastic, not too hard or too soft, and can maintain excellent performance for a long time. Product Description