Efficient lithium battery-powered: Enjoy seamless and quick tube expansion with automatic functionality and built-in LED lighting for better visibility in low-light conditions, ensuring effectiveness in demanding environments. Quick loading and unloading with automatic pressure relief: The hydraulic expansion head features a four-thread large pitch design, allowing for locking in one second and automatic reset after expansion, enhancing workflow efficiency. Versatile compatibility with 11 expander heads: Compatible with pipe sizes ranging from 3/8 to 1-5/8 O.D. for both copper and aluminum pipes, with wall thicknesses of 0.8 to 2mm; thicker pipes should be annealed prior to expansion to avoid cracking. Extended battery life and rapid recharge: Equipped with a 2000mAh lithium battery that provides up to 220 expansions per charge; 50W fast charge technology shortens recharge time to just 35 minutes, reducing downtime. Service: If you have any questions, please feel to contact us and we will reply within 24 hours!