Double-ended Handheld 18650 Battery Spot Welder with 1.5" LCD Display, AWithZ 99 Adjustable Levels, Auto/Manual Modes, 7-Language UI - Portable DIY Welding Tool for Lithium Battery Packs

Innovative Dual-Tip Design: Features both a micro needle tip for precision welding on thin materials and a macro cone tip for deep penetration on thick materials, doubling versatility and durability in one tool. | Precision Micro Welding: The micro needle tip achieves ultra-thin material welding with high accuracy (+0.05mm), preventing piercing and ensuring clean, reliable connections. | Efficient Macro Welding: The macro cone tip delivers balanced heat distribution for deep welding on thicker materials, reducing the heat-affected zone by 30% to prevent weak joints. | Premium Material & Long Life: Constructed from high-conductivity aluminum oxide copper, it offers exceptional electrical performance and a extended service life of over 5000 cycles. | Easy to Use - ONLY 2 buttons, our spot welder the buttons are labeled,easy to use. The battery spot welder does not need to leave our palm. Press and hold the power switch button on the side for 2 seconds with your middle finger, press the gear adjustment button on the top with your index finger once, and press and hold for 2 seconds to adjust the automatic or manual mode.