Description: The item is a set of 4pcs battery adapter converter cases, which are specially used to connect four AAA batteries together for replacing a large C battery. 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. Large strength and strong toughness. 4. Perfect for electronics and emergency situations. 5. Fine workmanship, standby specification, 4 x AAA battery can be converted into 1 x C battery. 6. Can convert any size AAA battery to a size C battery. Option to use 1 AAA,2 AAA, 3 AAA or use 4 AAA for more capacity. Specifications: Size: 4.8 x 2.5cm / 1.89 x 0.98inch Quantity: 4 Material: ABS Color: Red Package Weight: 30g Function: Convert 4 AAA battery to a C battery Attention: Size may be slight inaccuracy due to different batches of the products, or hand measurement. Color may be little different due to monitors. Please take real product as standard, thanks for your understanding Package Included: 4 x Battery Holder Converter