Features: 1. The converter can adapt the 18V battery head for Makita lithium-ion batteries to the MILWAUKEE M18 battery, making it efficient and easy to use with tools from different brands. 2. The built-in PCBA supports voltage protection, and it is easy to connect the battery adapter and requires no particularly complicated operations. 3. This converter has no conversion loss and has exquisite craftsmanship; it is lightweight and convenient. 4. Applicable battery model: Makita 18V lithium-ion battery BL1830 / BL1840 / BL1850 / BL1860. 5. Through numerous inspections before leaving the factory, the quality of the drill battery adapter is guaranteed; you can use it with confidence. Specifications: Product Type: Battery Adapter Material: ABS Color: Black Size: Approx. 9.5 x 7.4 x 4.8 cm / 3.7 x 2.9 x 1.9 inches Application: Adapts Makita 18V lithium-ion battery to Milwaukee M18 lithium-ion battery. Applicable tool battery models: For Makita 18V BL1830/BL1840/BL1850/BL1860 lithium-ion battery. Package list: 1 x battery adapter