ขาย (adorelovecool) 9v 12v 24 v to 5 v dc - dc step down แผ่นบอร์ดโมดูลชาร์จแบต usb ราคาที่ดีที่สุด

Product Introduction: DC-DC USB buck charging module (with work indicator, standard contact gold-plated socket) Compatible phone models: Andrews series, iPhone series, Huawei, millet, Nokia. The The Output voltage: 5.2V (consider the charge line loss, the output is 5.2V or so, the load side is about 5V) Output current: 3A (in the absence of heat sink device, the stable output current is 2A) Note 1: positive and negative can not be reversed, and the input voltage can not exceed 26V, otherwise it will lead to chip damage! Note 2: When working in power, you can not touch the circuit board on the sampling resistor, IC pin, otherwise it may lead to damage to the output voltage of the device! Specifications: 100% Brand New and High Quality Feature: Eco-Friendly Input voltage range: 6-24V Color: As picture Output current: 3A Product Size: 28mm x 32mm x 8mm Package includes: 1pc Note: 1.Under the influence of light and the display, the color difference may decrease slightly. 2.Due to manual measurement, please allow size differences about 1-3cm. Thank you for your understanding.