DC USB 3.0 Solar Folding Panel Power Bank Charger Voltage Stabilizer Controllers

DC output port: the same as the solar panel voltage output (rechargeable 12V car battery/12V lithium battery/12V lithium iron phosphate battery) Applicable solar panel voltage: 18V-30V Applicable solar panel power: 30W-60W Interface: Dual USB interface (QC3.0 fast charging protocol) compatible with fast charging of various brands of mobile phones.