ขาย Dual Usb Output 9V / 12V / 24V To 5V 3A - อุปกรณ์โมดูลชาร์จแบตสําหรับรถยนต์ X ราคาที่ดีที่สุด

Dc-dc USB step-down charging module (with work indicator lamp with touch point gold plated socket) Compatible phone models: android series, iPhone series, huawei, xiaomi, nokia.。。 Product size: 33x33 x 8mm Product weight: 6.2g Input voltage range: 6-24V Output voltage: 5.2V (considering loss of charging line, output end is 5.3-5.4V and load end is 5.1-5.2V) Output current: 3A (stable output current is 2A without a heat dissipation device) Note 1: input voltage cannot exceed 24V, otherwise the chip will damage! Note 2: the input of the positive and negative pole cannot be reversed, otherwise the chip will cause damage! Note 3: when working with electricity, you cannot touch the resistance, capacitance, IC foot on the circuit board by hand. otherwise, you may cause output voltage mutation to damage the device!