Using Attention: 1.CAN NOT charge battery with this Adapter! Please remove the adapter before charging battery (Use the original brand battery charger) ; 2. CAN NOT use for Old V18 tool or NiCD/NIMH battery tools; 3. Please remove it from the battery when not in use, Safe to use; Adapter Converter Feature: This 18v battery adapter can compatible with Makita 18V lithium slide battery to make them work on Milwaukee M18 18-Volt lithium-Ion cordless tools. and Let you enjoy the benefits of extended lithium ion battery operation time on existing 18V tools instruments. Applicable Battery Models: The bottom of this adapter is only compatible with Makita 18V lithium Ion batteries: BL1860B, BL1860, BL1850B, BL1850, BL1840, BL1840B, BL1830B, BL1830, BL1820, BL1820B, BL1815 etc. NOTE: Can not be used for power tool battery charging, this adapter will not fit into any chargers. Adapter Running Tool Type: The top of this adapter is only compatible with Milwaukee M18-18V lithium cordless tools. Replacement for Milwaukee M18 lithium ion battery: 48-11-1890, 48-11-1860, 48-11-1852, 48-11-1850, 48-11-1841, 48-11-1840, 48-11-1828, 48-11-1822, 48-11-1820, 48-11-1815, 48-59-1812, etc. Durable and Convenient: This adapter uses high Quality materials for locking function design. Made of ABS material, strong and durable. Professional compact design and easy installation. Module size about 4.32x3.0x3.69inch. This adapter is designed for compatible with Makita 18V lithium battery. Replacement for Milwaukee M18 18V lithium Ion batteries. Used for apply to Milwaukee cordless power tools. (Milwaukee NiCD/NIMH V18 18V tools can not used).

Specifications:
Material: ABS plastic
Size: Approx. 4.33x2.76x2.0inches
Color: Black
Compatible Model: Compatible with Makita 18V Li-ion Batteries BL1830 BL1840 BL1850 BL1860 BL1820 BL1815;

Compatible With: M 18 18Volts Cordless LITHIUM-ION System Tools:
2646-22CT,2643-21CT,2641-21CT,2646-21CT,2646-20,2642-21CT,2641-20,2729-22,2629-22,2729-20,2729-21,2629-20,2706-22,2705-20,2705-22,2704-20,2787-22,2702-20,2701-20,2656-22CT,2707-22,2708-22,2607-22,2603-22CT,2601-21,2615-20,2602-22DC,2606-20,2604-22CT,2706-20,2704-22,2788-22,2702-22CT,2701-22CT,2707-20,2708-20,2607-22CT,2607-20,2603-20,2603-22,2615-21CT,2615-21,2606-22CT,2604-22,2604-20.

Package Included:
1x Battery Adapter (without Battery and Tools)