Features 1、High Efficiency Monocrystalline Silicon: Made of efficient monocrystalline silicon material, the mini solar panel ensures stable and reliable charging performance. 2、Safe and Reliable: With a 1W power output, this small solar panel is perfect for school teaching and DIY crafts, providing a safe and reliable power source for students. 3、Customizable Configuration: The solar panels can be freely combined and operated in series or parallel, allowing you to choose the quantity and arrangement that best suits your solar power system needs. 4、Portable and Eco Friendly: Measuring 55mm in size, these mini solar panels are compact, green, and utilize solar photovoltaic principles for energy savings and environmental guard. 5、Versatile Applications: Ideal for school science experiments, technology projects, outdoor activities, LED lights, and solar powered devices, the mini solar panel offers a wide range of practical uses. Specifications Item Type: Mini Solar Panel Material: Monocrystalline silicon Weight: Approx. 190.00g/6.7oz Size: Approx. 55x55mm/2.17x2.17in Power of Single Solar Panel: 1W (without storage function) Package List 5 x Solar Panel