Features: 100% brand new and high quality Made of ABS, durable and solid. Environmentally friendly, no harm to your health. Small size, easy to carry. Fine workmanship, standby specification, AA battery can be converted into a D battery. Large strength and strong toughness. With battery limit slot to fix the battery in a good place. Perfect for electronics and emergency situations. Made of durable ABS,metal bottoms and tips for a solid electrical connection,this battery adapter shell won't warp or bend as a result of the springs putting pressure on it when you insert into your device.The inner of the adapter fits one battery precisely so that it won't move around or loose after inserted. Simply pull the case apart, put the battery inside to correctly match the poles, and then push to close together.It is durable, small in size, easy to carry and suitable for conventional AA size battery conversion on hand. The surface of the AA to D battery conversion barrel is not easy to wear; Storage batteries for recycle when the battery runs out. Package Includes: 1x Battery Converter (Batteries are not included) Specifications: Material:ABS Size:As Picture Shown Color:White note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.