Description: Features: brand new and high quality Easy to use - just slide in the AA battery into the converter. Can convert any size AA battery to a size C battery. Perfect for electronics and emergency situations. Made from high quality, durable plastic, help AA batteries provide long power life. Save hundreds of C size batteries from entering landfills, protect environment and save your money. Battery life (per recharge) will vary based on the application. A cheap and effective way to get rid of C size batteries and C battery recharger. They are also serves as protector cases for your batteries, be safe and dry to store your batteries. These handy adapters allow you to use a smaller size battery as a larger battery. Specification: Material: Plastic, Metal Dimensions: 25x48mm(0.98x1.89in)(approx) Color: Clear Quantity: 1 set(4pcs) Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 4 pcs x AA To C Battery Converter(other accessories demo in the picture is not included.)