21W Portable Foldable Solar Panel Kit with USB Output Solar Charger for Batteries, Central Power Supply for RVs, Camping, Trailers

20.8% Conversion Efficiency: Converting up to 20.8% of solar energy into free energy in full sunlight, these solar panels are more durable and can better withstand the elements and wear and tear than traditional panels.
Power Generation: Solar chargers provide a small power station to generate electricity for your cell phone and small electronic devices to keep them charged after dark. No function.
Key Parameters: Material: PET polymer; Power: 21W; Conversion Efficiency: 20.8%; Peak Output: 3500mA; Gross Weight: 731g/25.8oz;
Safe and Reliable: Safe charging and protection against overcurrent, overheating, and short circuits. This product does not contain batteries, so there is no risk of exposure to high temperatures and no risk of burns or explosions. Charging multiple devices: Solar chargers allow you to charge several devices at once. It comes with smart charging technology that can intelligently identify your device and then provide the best

Black Portable Solar Panel Power Supply Charger Portable Solar Phone Charging Panels with Dual USB Ports for Outdoor Hiking Camping

Item Type: Foldable Solar Panel Charger
Material: PET Polymer
Gross Weight: 731g / 25.8oz
Product Size: Unfolded: 65x29cm / 25.6x11.4in, Folded: 29x17x3cm / 11.4x6.7x1.2in
Color: Black
Charging Efficiency: Varies depending on light intensity
Power: 21W
Conversion Efficiency: 20.8%
Maximum Output: 3500mA

Package List:
1 x Foldable Solar Panel Charger