Features: Secure fixation: The hangers design can firmly fix the battery, prevent accidental detachment during charging or storage, and enhances safety. Efficient heat dissipation: good heat dissipation function, avoids battery overheating, extends battery lifespans and performances. Easy Installation: Easy to install and disassemble, no additional tool required, users can quickly complete the installation, saving time and effort. Space saving: wall mounted bracket design effectively saves floor space, making the workspaces cleaner and more organized, and facilitating the management of tool and accessories. Wear resistant materials: Crafted from ABS, it is impact resistant and wear-resistant, ensuring long-time use without easy damage. Specifications: Component: ABS+PC Size: 101mm/3.98''x91.4mm/3.58'' Purpose: Suitable for M1818V Quantity:3,5 Package Includes: 3/5Pcs Battery Holder note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.