Features 1、Diverse Features: Monocrystalline silicon solar panels, PET substrate, no glass, durable, light weight, easy to transport, easy to install and use. 2、USB Output Interface: Original USB output interface, DIY modification output positive and negative, red and black lines. 3、Wide Applicability: 1.5W 5V micro solar panels are mostly used for DIY solar panels. 4、Manufacturing Material: Made of monocrystalline silicon and PET laminate material, it is strong and durable, which undoubtedly extends its service life. 5、General Method: First open the solar panel of the product, the solar panel is facing the direction of sunlight, and then connect the device to the output of the product through the charging cable. Specification Item Type: 1.5W Monocrystalline Silicon DIY Solar Panels Weight: Approx.104g / 3.7oz Material: Monocrystalline Silicon + PET Laminated Product Size: Approx.138 x 82mm / 5.4 x 3.2in Solar Panel Chip: Monocrystalline Silicon Power: 1.5W Current: 0.3A Output Interface: USB Interface DIY Modification Output: Positive And Negative, Red And Black Lines Application: DIY Solar Panels Package List 1 x Solar Panels 2 x Modified Wire