High-current battery clamp set - Features copper-core bushings and large brass nuts to maximize power transfer through the included high-voltage cable. Designed to deliver reliable current at start, reducing voltage drop and improving jump performance. Durable auto battery jumper cables - Mounting base constructed from thick ABS plastic for durability and impact resistance. The sturdy base helps prevent damage in regular use, extending the product life. Includes robust jumper cables suitable for automotive applications. Battery jump extension lead - Extension plug for the vehicle starting battery that provides a professional and practical solution for reaching the start battery during a jump. Designed for comfortable handling and reliable operation. ATV and equipment battery accessories - Not only compatible with X3 but also suitable for trucks, tractors, lawnmowers, engines, ships and more. Includes battery clamps designed for versatile use across multiple vehicle types and applications. Use scenarios - On the road emergency startup: when a car or truck battery is dead, connect the clamps to the donor battery and the dead battery, then use the extension lead to reach the start battery and start the engine. - Field maintenance for heavy equipment: use with tractors, lawnmowers or engines to perform reliable jump starts or battery checks without disassembly. - Off-road and marine use: compatible with ATVs and boats, providing a dependable solution for starting power in remote or rugged environments.