Specification:Model: A1204QColor: WHITEInput: AC100-240V 50-60Hz 0.5AOutput: 36V-6V=3A/6V-9V=2A/9V-12V=15APower: 18WFeature:CHARGING TIME100% 00:23:12Fireproof MaterialFrosted TextureProduct TextureQualcomm Quick Charger 3.0INCREASE THE VOLTAGE, POWER IS UP, BUT EFFICIENCY HAS DECLINED. EACH INCREAS..