The Yard Force 21W Solar Panel LX PB21 transforms the way you power up your devices while on the go, highly efficient solar cells convert up to 24% of solar energy into electricity. The 21W battery with digital indicator gauge provides upto 14 hours of continuous power, delivering charge to your device’s multiple times over. The dual USB ports and the triple charging cable can be used to charge most mobile devices such as mobile phones, laptops, iPads, cameras, drones and more providing a maximum output of 12V per outlet. The intelligent charging technology (smart IC) means the ports recognise the device and delivers the correct output needed to maximize efficiency. Ideal for camping, backpacking, hiking, and outdoor adventures essential for any type of emergency. The lightweight design means it easily attaches to your backpack without adding any hefty weight or meaning you must carry additional baggage. The magnetic strips allow the panels to quickly fold away into a compact size