Features: Super capacity: 60 AA and 40 3A dry batteries for neat and not loose. Battery protecting cover: multiple reinforcement to better protect the battery and neatness. Card slot, double protections: for AA and 3A battery card slots effectively distinguish battery types and protect batteries. Safety closure designing: tightly closed to protect the battery from tampering. Hangable design saves space and is portable for storage. Specifications: Weight of single product: about 220g. Size about 27.5x17x3.6cm/10.83x6.69x1.42in Internal structure: batteries inside: AA number 60, 3A number 40 Package Includes: 1PC Battery Box note: Please allow 1-2cm errors due to manual measurement,please make sure that do not mind before order. Due to difference between different monitors, the picture may not reflect the actual color the item.