ขาย 18V Ac Dc อะแดปเตอร์ 18V 2A 3A 4A 5A ไฟ Led ลําโพงสวิทช์พาวเวอร์ซัพพลายชาร์จ ราคาที่ดีที่สุด

18V Switching Power Supply AC DC Adapter 18V 2A 3A 4A 5A 54W 72W 90W LED Speaker Audio Power Charger Specifications: * Input: AC 100-240V 50/60Hz 1.8A Max * Output: 18V 2A 36W / 18V3A 54W/ 18V 4A 72W /18V 5A 90W * DC plug size: 5.5*2.5MM (Outer Diameter: 5.5mm . Inner Diameter: 2.5mm ) Compatible 5.5mmx2.1mm * Cable Length about: 110cm * The adapters Connector: inside positive (+) . outside negative (-) * With IC Chip: Short circuit protection, Overload protection , Over voltage protection ​Package : one adapter only ( no ac cable ) NOTE : How to choose the correct model for your device . -if you have the old adapter in hand , please check the output data , or send picture to us ,we can choose correct model for you . for example your old adapter output is 18V 3A , then you just buy 18v 3a . if the adapter is 18V 3.5a , then you can buy 18V 4A adapter as 18v 4a can compatible 18v 1-4a