18650 Power Bank Case with LED Light, 21Slot USB Charging Shell for Mobile Devices

Application: Practical and suitable for both home and professional use. Weight: Approximately 230 grams without battery (for case + motherboard + spring basket + lens + lanyard). T21 with light: Output/input power 5V2.1A. Product dimensions: Approximately 170 x 84 x 62 mm / 66.93 x 33.07 x 24.41 inches. Use scenarios: Onsite or maintenance work in a workshop or service call, where a compact, light tool with integrated lighting is advantageous. Desktop setup, prototyping, or design reviews in a studio or lab, benefiting from a small footprint and reliable power. Education or training demonstrations in classrooms or technical courses, where portable illumination and compact form factor support effective teaching.