1、Product Usage: Battery socket converter, replacing traditional backpack battery, providing a lightweight and convenient solution for your power tools, helping to improve working efficiency 2、ABS Housing: Crafted with robust ABS material, this power tool battery adapter features light weight, strong toughness and impact resisting, ensuring a long service life and lasting performance 3、Applicable Battery: Suitable for BL1830B-2 BL1850-2 BL1850B-2 BL1840B BL1820B BL1860B-2 BL1830 BL1840 BL1850 BL1860 BL1815 BL1430 BL1450 BL1440, and other battery interface 4、Applicable Device: This battery converter is suitable for chainsaw, car washer, fan, grass mower, and electric scissors, offering seamless integration with any tool equipped with the compatible socket 5、High Efficiency: Enhance your workflow by simplifying battery management, allowing for efficient power transfer across multiple power tools without the hassle of multiple battery system Item Type: Battery Adapter Material: ABS Battery: 6 x 21V Li Battery (not included) Output Voltage: 21-198VF Current: 2A Applicable Battery Interface: For BL1830B-2 BL1850-2 BL1850B-2 BL1840B BL1820B BL1860B-2 BL1830 BL1840 BL1850 BL1860 BL1815 BL1430 BL1450 BL1440, etc. Compatible Device: Chainsaw, Car Washer, Fan, Mower, Lithium Electric Scissors 1 x Socket 1 x Cable 1 x Adapter