1. Support fast charging protocol: QC3.0, QC2.0, PD2. The USB port provides 5V regulated output, and the DC port provides 12V charging function for energy storage devices3. Connect the DC5521 ports in parallel between multiple solar panels to increase the output 4. Product use: charging for mobile phones, mobile supplies, car batteries and other equipment5. Plug and play, convenient and fast, easy to carryProduct Name: Solar Panel ChargerType: SolarSolar Cell: Monocrystalline siliconSolar Cell Conversion Efficiency: 22%Solar Panel Lamination Process: ETFEMax : 30WOutput Port: USB / DC5521USB Output: 5V / 2.5A (Max)DC Ooutput: 12V / 2A (Max)Indication function: with indication functionInterface: USB+type COperating Temperature: -10~+50Best Operating Temperature: 25Folding Number: 6Folding size: 190x190x42mmExpanded size: 555x390x20mmColour:blackMaterial:ETFE Package Contents:1 x Solar Panel Charger1 x 8 in1 Adapter1 x 1.5M DC5521 CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.