The jump starter adapter is compatible with Makita 18V batteries (BL1830, BL1840, BL1850, BL1860 series). Battery not included. Designed for jump-starting 12V automotive batteries using compatible power tool batteries. Includes 11-gauge heavy-duty jumper cables with insulated handles for user safety. Features robust alligator clamps with serrated teeth and strong springs for secure connections. Compatible with top-post and side-terminal 12V batteries. Non-conductive rubber housing and dual-grip design enhance safety, conductivity, and handling. No-tangle cable construction. Suitable for trucks, SUVs, full-size, mid-size, and compact cars. Usage instructions: 1. Connect the red clamp to the positive (+) terminal of the vehicle battery and the black clamp to the negative (–) terminal. 2. Insert a compatible Makita 18V battery into the adapter and ensure it is securely locked. 3. Attempt to start the vehicle. 4. After successful engine start, disconnect the clamps from the vehicle battery and remove the tool battery from the adapter. Material: ABS Package includes: 1 x jump starter adapter only. Note: Color may vary slightly due to lighting and screen settings. Allowable measurement tolerance: ±1–3 cm.