{"product_id":"5pcs-5a-constant-voltage-current-step-down-power-supply-module-with-usb-charging-power-bank-conversion-board","title":"5pcs 5A Constant Voltage Current Step Down Power Supply Module With USB Charging Power Bank Conversion Board","description":"\u003cspan style=\"font-size: 14px;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e1. On-board voltage, current, and power meter can easily use this module without a multimeter, which is simpler and more intuitive.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e2. Onboard USB interface for easy charging of your digital products. (Note: The USB output voltage is the same as the module output voltage. It is not a fixed 5V output. Please confirm before charging the USB device.)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e3. High power, high efficiency, 5A, low ripple;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e4. Three major functions:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(1) Used as a normal step-down module with overcurrent protection capability;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(2) Used as a charger for various voltage lithium batteries, batteries, nickel-cadmium nickel-hydrogen batteries (battery packs), for solar panels, wind turbines, etc.;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(3) used as a high power LED constant current drive module;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e5. There are two modes of constant voltage and constant current, and there are indicators to indicate which mode the module is currently in;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e6. When used as a lithium battery charger, you can set the float voltage and charge current, and the indicator light indicates whether it is charging or full;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e7. With current limiting protection, the module will not burn out even if the output is shorted.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e8. The onboard voltage and ammeter can be self-calibrated.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size: 14px;\"\u003e9. With heat sink and copper column.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eParameter:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eInput voltage: 5-36V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eOutput voltage: 1.25-32V continuously adjustable\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eOutput current: adjustable, large 5A (recommended for use within 4.5A)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eOutput power: large 75W (recommended to use within 50W, please reduce power when using large differential pressure)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eWorking temperature: -40~+85 degrees\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eWorking frequency: 180KHz\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eConversion efficiency: 96% higher\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eShort circuit protection: Yes\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eOver temperature protection: Yes (automatically turn off the output after over temperature)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eInput reverse connection protection: None, (If necessary, please input a large current diode in the input string)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eInstallation method: 4 3mm silk\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eWiring method: terminal block or soldering terminal, V-IN is input, V-OUT is output\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eModule size: 68.2 x  38.8 x 15mm (length x width x height)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size: 14px;\"\u003eWeight: 39g\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eApplication range:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e1. Use as a normal buck module with overcurrent protection\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eInstructions:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(1) Press the right button to adjust the digital meter to the [Display Output Voltage] interface, and adjust the “Constant Piezo Transistor” to make the output voltage reach the desired voltage value;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(2) Adjust the digital meter to the [display output current] interface, directly short the output end of the module (find a thick wire shorted to the output end), adjust the \"constant current potentiometer\" to make the digital meter The current value reaches the preset overcurrent protection value; (such as the current value displayed by the onboard ammeter is 4A, then the module's large current is limited to 4A, and the red indicator light is on when the current reaches 4A)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(3) Connect the load and work.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e2. Use as a battery charger\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eModules without constant current function cannot be used to charge the battery. Because the voltage difference between the battery and the charger that consumes electricity is too large, the charging current is too large, causing damage to the battery. Therefore, the battery should be used at the beginning. Stream charging, when the charging reaches a certain level, it automatically switches back to constant voltage charging.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003eInstructions:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(1) Determine the float voltage and charge current of the battery; (If the lithium battery parameter is 3.7V\/2200mAh, then the float voltage is 4.2V, and the large charge current is 1C, ie 2200mA)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(2) Under no-load conditions, adjust the digital meter of the module to the [display output voltage] interface, and adjust the \"constant piezoelectric positioner\" to make the output voltage reach the float voltage;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(3) Adjust the digital meter to the [display output current] interface, and directly short the output end of the module (find a thick wire to short the output end), then adjust the \"constant current potentiometer\" to make the digital meter The current value reaches a preset charging current value;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(4) The charging lamp current defaults to 0.1 times the charging current; (the battery is gradually reduced during the charging process, gradually changing from constant current charging to constant voltage charging, if the charging current is set to 1A, then when When the charging current is less than 0.1A, the blue light is off, the green light is on, and the battery is charged.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(5) Connect the battery and charge it.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(Steps 1, 2, 3, and 4 are: input terminal is connected to the power supply, and the output terminal is not connected to the battery.)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size: 14px;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e3. As LED constant current drive module\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(1) Determine the operating current and high operating voltage that you need to drive the LEDs;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(2) Under no-load conditions, adjust the digital meter to the [display output voltage] interface, adjust the \"constant piezoelectric positioner\" to make the output voltage reach the LED working voltage;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(3) Adjust the digital meter to the [display output current] interface, and directly short the output end of the module (find a thick wire to short the output end), then adjust the \"constant current potentiometer\" to make the digital meter The current value reaches a preset LED operating current;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 14px;\"\u003e(4) Connect the LED and test the machine.\u003cbr\u003e(Steps 1, 2, and 3 are: input power supply, output no load is not connected to LED light)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003ePackage includes:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e5 x Power Supply Module\u003cbr\u003e5 x Heat sink\u003cbr\u003e20 x Copper column\u003c\/span\u003e\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/C8\/E7\/864d0c80-240e-4c9c-a81f-6e5e62540914.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/A3\/82\/201229c2-654f-4781-ae99-bb4e8f7b79c4.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/9E\/05\/8b60f3d9-e6db-4aa4-864b-a9c2e4d20ab6.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/19\/8A\/f1fb4fab-8e9f-4245-b60d-9ce56d48910e.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/33\/65\/d9968145-ed79-4405-ae49-2dd91af5f8b0.jpg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/A8\/00\/e7562d26-d971-495b-a1ff-487f82999c8f.jpeg\"\u003e","brand":"Electronic Pro","offers":[{"title":"Default Title","offer_id":35502537179292,"sku":"1647733","price":1096.11,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/864d0c80-240e-4c9c-a81f-6e5e62540914.jpg?v=1597305313","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/5pcs-5a-constant-voltage-current-step-down-power-supply-module-with-usb-charging-power-bank-conversion-board","provider":"Electronic Pro ","version":"1.0","type":"link"}