Compact 0.15W lightweight solar module with high-efficiency epoxy-sealed ZW-Dia55 PV cells for stable 2V output. Premium epoxy adhesive encapsulation ensures waterproof durability and extended lifespan. Ultra-thin portable design (55mm diameter) ideal for DIY solar projects, educational kits, and micro-charging applications. Compatible with small electronics like calculators, LED lights, and sensor devices. Matte anti-reflective coating maximizes sunlight absorption. Backed by wholesale pricing for bulk orders with global logistics support.