{"product_id":"hw-318-12v-to-5v-buck-module-dc-dc-3a-dc-power-module-with-usb","title":"HW-318 DC-DC 4.5-40V To 5V 2A USB Charger Step down Converter Voltmeter Module","description":"\u003cul\u003e\n\u003cli\u003eInput voltage: DC 4.5 ~ 40V.\u003c\/li\u003e\n\u003cli\u003eOutput voltage: 5V (when the input voltage is between 6.5V ~ 40V).\u003c\/li\u003e\n\u003cli\u003eOutput current: 2A.\u003c\/li\u003e\n\u003cli\u003eThe voltmeter has an automatic calibration function.\u003c\/li\u003e\n\u003cli\u003eWith reverse connection protection.\u003c\/li\u003e\n\u003cli\u003eWith overheat protection and short circuit protection.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe voltmeter has an automatic calibration function.\u003c\/li\u003e\n\u003cli\u003eWith reverse connection protection.\u003c\/li\u003e\n\u003cli\u003eWith overheat protection and short circuit protection.\u003c\/li\u003e\n\u003cli\u003eHigh efficiency and low ripple.\u003c\/li\u003e\n\u003cli\u003eWith USB power indicator light.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis is DC-DC 4.5-40V To 5V 2A USB Charger Step down Converter Voltmeter Module, a combo of 2A Charger and voltage checker.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe module converts input of 4.5-40V into a very stable 5V 2A output. The device features a\u003cspan\u003e \u003c\/span\u003eUSB\u003cspan\u003e \u003c\/span\u003eport through which you can charge your phone. While charging your device please consider that the output of this device is regulated at 5V 2A.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSimply connect this device to the power supply, the voltage can be detected in real time. When you need the phone, IPAD, MP3 and other digital products to charge, click the “Output Enable” button, then USB power indicator lights up and it will start supplying 5V 2A at its output.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you need to turn off the voltmeter, click the “Low Power” button, then enter the ultra-low-power standby mode, USB output corresponding shutdown.\u003c\/p\u003e\n\u003cp\u003eIt accepts wide input voltage as from car\/battery car\/motorcycle used for monitoring battery voltage; measure the voltage needed for a variety of occasions. The output current capability 5.0V\/2A, enough to meet a variety of USB devices.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThis module default D + D- short, most of the cell phone charger is compatible, and set aside a variety of mobile phones identification resistor installation location, if you need to add the identification resistor, please connect D + D- wires cut, then added.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan\u003e\u003cstrong\u003eVoltmeter Calibration Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStep1:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ePress the “\u003cem\u003eOutput Enable\u003c\/em\u003e” button  more than 2 seconds, release, voltmeter flashes, this time into the voltage regulation mode;\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStep2:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ePress the “\u003cem\u003eOutput Enable\u003c\/em\u003e” button (normal speed), the voltage value is adding up a unit; Press the “\u003cem\u003eLow Power\u003c\/em\u003e” button, minus a unit; Due to a unit is less than 0.1V, the minimum voltage display to 0.1V, so you need to continuously press 1-5 times to see the voltmeter change 0.1V, how many times voltmeter change 0.1V by pressing the button, depending on the current display voltage, the higher the voltage, the fewer the number of press.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStep3:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003epress the “\u003cem\u003eOutput Enable\u003c\/em\u003e” button for more than 2 seconds, release, to exit the voltage calibration mode. Data is not lost after the power failure.\u003c\/p\u003e","brand":"Indian Hobby Center","offers":[{"title":"Default Title","offer_id":42533266161707,"sku":"5482","price":219.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/6796\/1387\/files\/1740121433866-fgjn.jpg?v=1764422755","url":"https:\/\/www.indianhobbycenter.com\/products\/hw-318-12v-to-5v-buck-module-dc-dc-3a-dc-power-module-with-usb","provider":"Indian Hobby Center","version":"1.0","type":"link"}