Solar USB 5-Cell 18650 Power Case

A compact, field-tested power bank case engineered for assembling a 5×18650 solar-charged portable power source. Overall size: 125 mm × 75 mm × 25 mm (approx. 4.92 × 2.95 × 0.98 inches). Constructed with durable polymer casing to absorb shocks and resist abrasion during transport or outdoor use. Includes full set: bottom case, face case, medium frame, main PCB, LED board, solar energy board, and mechanical button. Charging options: solar panel (via integrated solar board) and micro-USB (1A input). Output: two independent USB ports (1A each). LED module doubles as a functional flashlight. Batteries not included — unit requires five user-provided 18650 cells to function.