When traveling or camping outdoors, running out of battery can be a challenge. This solar panel helps provide a reliable power solution by harnessing solar energy. Features: - Polycrystalline silicon solar panel for stable and efficient performance - Designed for DIY charging applications using solar power - Can be connected in series or parallel to meet different power needs - Compact and portable design for convenient outdoor use Specifications: - Maximum Power: 2W / 3W / 4.2W / 5.2W (Optional) - Color: Black - Material: Polycrystalline Silicon - Working Voltage: 12V - Open-Circuit Voltage: 13.5V - Working Current: - 2W: 0–160mA - 3W: 0–250mA - 4.2W: 0–350mA - 5.2W: 0–430mA - Short-Circuit Current: - 2W: 200mA - 3W: 300mA - 4.2W: 500mA - 5.2W: 650mA - Product Size: - 2W: 136 x 110mm - 3W: 145 x 145mm - 4.2W: 200 x 130mm - 5.2W: 210 x 165mm - Product Weight: - 2W: 56g - 3W: 85g - 4.2W: 98g - 5.2W: 135g - Package Size: - 2W: 15.5 x 13.5 x 0.5cm - 3W / 4.2W: 22.5 x 15.5 x 0.5cm - 5.2W: 24 x 20 x 0.5cm - Package Weight: 64g – 146g Package List: 1 x Solar Panel