Item Type: Battery Adapter_x000D_ Material: ABS_x000D_ Adaptive Battery: 18V Lithium Battery (battery not included)_x000D_ Applicable Model: For BL1830 BL1850 BL1840 lithium battery, for M12 48-11-2401 48-11-2412 48-11-2411 series lithium battery power tool 1APPLICABLE MODEL: This battery converter is suitable for BL1830 BL1850 BL1840 18V lithium battery, for 48?11?2401 48?11?2412 48?11?2411 series lithium battery power tool. 2HIGH COMPATIBILITY: The battery and adapter are highly compatible, ensuring no detachment or shaking during use, ensuring high security and reliability. 3ABS SHELL: The battery converter is made of excellent ABS material, with good toughness, wear resistance, aging resistance, and has a long service life. 4INTEGRATED DESIGN: With integrated molding design, the battery adapter is burr free, plug and play, ensuring smoother installation and connection. 5COMPACT SIZE: The battery converter is lightweight and compact, will not increase the burden of electric tools after installation, with a sturdy structure.1 x Battery Adapter 1 x User Manual