Solar Panels ChargersBuilt-in 1* QC3.0 USB-A max 18W , 1*PD 2.0 USB-C max 18w(5v-3A/9V-2A/12V-1.5A) and 19V DC (5.5*2.1mm) max 40W outputs to directly connect and charge phones( (Android and Apple) , iPads, power banks, small power stations and other daily electronic devices. USB-A and USB-C allow you to charge both electronic devices at once. But don't recommend that DC and USB ports use toghter in case of the charging is a little slowly. Note: Solar Panels cann't store the power. SMART IC CHIP TECHNOLOGY & SAFETY FEATUREIntegrated IC automatically detects the connected devices and provides the optimized charging, and an included LED light shows the charging status.FlexSolar ensure 100% safe charging with overcurrent, overheating and short-circuit protection.