Description:The item 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. Therefore, it is perfect for electronics and emergency situations.Features:1. Made of environmental material, harmless to your health.2. Small size, easy to carry.3. Fine workmanship, standby specification, 1 x AA battery can be converted into 1 x C battery.4. Large strength and strong toughness.5. With battery limit slot to fix the battery in a good place.6. Perfect for electronics and emergency situations.7. Can convert any size AA battery to a size C battery.Specifications:Weight: 43gQuantity: 4Material: Durable hard plastic.Color: Translucent whiteConvert any AA battery to a C batteryAttention: Color may be little different due to monitors. Please take real product as standard, thanks for your understanding!Package included:4 x Battery Converter Cases.