{"product_id":"zk-dp3a-15w-usb-step-up-power-supply-module-boost-adjustable-converter-fan-speed-control-potentiometer-with-lcd-display","title":"ZK-DP3A 15W USB Step UP Power Supply Module Boost Adjustable Converter Fan Speed Control Potentiometer with LCD Display","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eZK-DP3A is a 15W DC adjustable constant voltage constant current step up\/down power supply module with LED digital tube display.It support fast charger for QC2.0, QC3.0, AFC, FCP, SCP fast charge protocol.Display output voltage, output current and output power.Adjustable output voltage and current.Set output current to meet the require.It can be used as ordinary buck power supply module, charger and LED constant current driver.Simple and efficient, practical.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cstrong style=\"font-size: 16px;\"\u003eFeatures:\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.Support fast charger\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2\u0026gt;.Support anti-backflow protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3\u0026gt;.Support constant voltage constant current adjust\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4\u0026gt;.LCD HD display\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5\u0026gt;.Four input power modes\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e6\u0026gt;.Support over-current protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e7\u0026gt;.Support over-voltage protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e8\u0026gt;.Support over power protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e9\u0026gt;.Support over temperature protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10\u0026gt;.Support over current protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e11\u0026gt;.Support charging mode\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e12\u0026gt;.High resolution\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e13\u0026gt;.Multiple parameters are displayed simultaneous\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e14\u0026gt;.Comfortable outer casing\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e15\u0026gt;.Display Input voltage,Output voltage\/current\/power\/capacity statistics.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.Product Name:ZK-DP3A USB CVCC Buck Boost Voltage Converter \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2\u0026gt;.Product Number:ZK-DP3A\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3\u0026gt;.Input Voltage for Pads:DC 4.0V-13.0V(Note USB input)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4\u0026gt;.Input Voltage for USB:DC 5.0V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5\u0026gt;.Output Voltage:DC 1V-30.0V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e6\u0026gt;.Output Current:2A\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e7\u0026gt;.Output Power:15W(Max)\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e8\u0026gt;.Voltage Display Precision:+\/-0.1V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e9\u0026gt;.Voltage Display Resolution:0.01V\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10\u0026gt;.Current Display Range:0~2.2A\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e11\u0026gt;.Current Display Precision:+\/-0.05A\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e12\u0026gt;.Current Display Resolution:0.001A\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e13\u0026gt;.Capacity Precision:0.00W~15.0W\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e14\u0026gt;.Protection Temperature Threshold:100??\/span\u0026gt;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e15\u0026gt;.Conversion efficiency:94%\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e16\u0026gt;.Working current:30mA\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e17\u0026gt;.Short Circuit Protection:Yes\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e18\u0026gt;.Anti-backflow Protection:Yes\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e19\u0026gt;.Over-Current Protection:Yes\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e20\u0026gt;.Over-Voltage Protection:Yes\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e21\u0026gt;.Over-Power Protection:Yes\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e22\u0026gt;.Working Temperature range:-20?ƒ~85??\/span\u0026gt;\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e23\u0026gt;.Working Humidity Range:0%-95%RH\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e24\u0026gt;.Size:100.5*40*19.5mm\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eFast Charge Deception Function:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.Support intelligent fast charge deception function to solve the problem of insufficient power supply of USB input port.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2\u0026gt;.Support mainstream fast charging protocol:QC2.0, QC3.0, AFC, FCP, SCP.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3\u0026gt;.User can choose not to deception or automatically choose the deception mode.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4\u0026gt;.Keep press button TRIG for 2 second enter into fast charging protocol select interface.Screen will display fast charging protocol.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5\u0026gt;.Short press button TRIG to select fast charging protocol.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e6\u0026gt;.Short press button ON\/OFF or SELECT to trigger fast charging protocol.It will display OK and FC indicator turn ON if the triggering is successful.Otherwise display Err and FC indicator turn OFF.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e7\u0026gt;.Keep press button TRIG for 2 second again to save and exit set mode.Module will remember this select.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e8\u0026gt;.User can select the AUTO mode and the module automatically selects the deception protocol if user don't know which protocol the charger supported.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e9\u0026gt;.User can choose the OFF mode if user no need fast charge deception function.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eButton\/Potentiometer\/LED introduction:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.Long press means need keep press for more than 3second.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2\u0026gt;.ON\/OFF Button:Short press is used to turn ON or OFF output voltage at display mode or trigger charge deception function at fast charge protocol selection mode.Long press is used to set default ON or OFF for next re-power at display mode.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3\u0026gt;.SW Button:Short press to switch display output voltage and output current or trigger charge deception function at fast charge protocol selection mode.Long press is used to switch display output current,output power and capacity statistics.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4\u0026gt;.TRIG Button:Short press to select fast charging protocol.Long press to enter or exit the fast charge protocol selection interface.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5\u0026gt;.CV Potentiometer:Adjust output voltage.Increase the output voltage when rotating clockwise.Please rotate the CV potentiometer 10 turns in counterclockwise if the output voltage cannot be adjusted.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e6\u0026gt;.CC Potentiometer:Adjust output current.Increase the output current when rotating clockwise.Note:It is not keeping a fixed output current.When the load current reaches the set current value, the module starts to fix output this current value.Short circuit output terminal when adjust output current.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e7\u0026gt;.ON LED:Green Output indicator.It will turn ON when there is a output at output terminal.Otherwise it is OFF.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e8\u0026gt;.CC LED:Red Constant current output indicator.It enters the constant current state when the load current reaches the set current and CC constant current indicator turns ON.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e9\u0026gt;.FC LED:Blue Fast charge deceiving indicator.Fast charge protocol after the successful deception.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10\u0026gt;.Input terminal:There are four input methods:\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10.1\u0026gt;.Method 1:Standard Type A USB Male .It just can input DC 5V.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10.2\u0026gt;.Method 2:Micro USB Female.It just can input DC 5V.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10.3\u0026gt;.Method 3:Type-C USB Female.It just can input DC 5V.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10.4\u0026gt;.Method 4:Pads input DC 4.0V-13.0V.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e10.5\u0026gt;.It can only choose one input method.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e11\u0026gt;.Output terminal:KF-301-2P 5.08mm blue terminal. It can output DC 1.0V-30.0V.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eProtective Function:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.Over-Voltage Protection:Module will turn OFF output voltage automatically if output voltage is more then 30.5V.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2\u0026gt;.Over-Current Protection:Module will turn OFF output automatically if output current is more then 2A.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3\u0026gt;.Over-Power Protection:Module will turn OFF output automatically if output power is more then 15W.It will display ‘OPP’.User need reduce load power and then press ‘ON\/OFF’ button.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4\u0026gt;.Current error:Large display error when output current is less than 0.05A.It can not display output current if current is 10~40mA.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5\u0026gt;.Over Temperature Protection:Module will turn OFF output automatically if temperature is more then 100??It will display ‘OTP’.User need reduce load power and then press ‘ON\/OFF’ button.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eUsing Steps:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.As a ordinary step down power module:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.1\u0026gt;.Connect right input voltage at input terminal;\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.2\u0026gt;.Adjust CV constant voltage potentiometer to set output voltage according to require.Rotate CV potentiometer counterclockwise more than 10 turns if the output voltage can not be adjusted.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.3\u0026gt;.Rotate CC potentiometer counterclockwise more than 10 turns at first.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.4\u0026gt;.Short circuit between OUT+ and OUT-(Connect both by wire).Or test Output short circuit current by multimeter at 10A or 20A(Connect two Test Probes to output terminal on module).Or Short circuit output terminal directly.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.5\u0026gt;.Rotate CC constant current potentiometer clockwise to set output current according to require over-current protection value.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.6\u0026gt;.Test and using(E.g:Module’s maximum output current is 1A if display 1A on multimeter.Red LED indicator will turn on if output reach to 1A.Otherwise LED is OFF.)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.7\u0026gt;.The output voltage will decrease due to the current sampling resistor at the output. The higher the current, the more the voltage is reduced.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1.8\u0026gt;.Output current can not keep fix value output.It changes with load.But It can not exceed set output current value.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2\u0026gt;.As a charger:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2.1\u0026gt;.Tops:Power supply module can not be used as charger module if it does not support constant current function.The voltage difference between the battery with insufficient voltage and the charger is very large.Causes excessive charging current even damage the battery.So it need keep charging in constant current mode to reaching a certain level.Then automatically switch back to constant voltage charging.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2.2\u0026gt;.Make sure floating charge voltage and charge current for battery.If the lithium battery’s parameter is 3.7V\/2200mAh, then the float charge voltage is 4.2V, and the maximum charging current is 1C, which is 2200mA.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2.3\u0026gt;.Connect right input voltage at input terminal.(Note:Please don’t connect load during set parameter).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e 2.4\u0026gt;.Short circuit between OUT+ and OUT-(Connect both by wire).Or test output voltage by multimeter and adjust CV potentiometer to make sure output voltage reach to require floating charge voltage.(If charge a 3.7V lithium battery, adjust the output voltage to 4.2V).Or Short circuit output terminal directly.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e 2.5\u0026gt;.Rotate CC potentiometer counterclockwise more than 10 turns at first.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2.6\u0026gt;.Test Output short circuit current by multimeter at 10A or 20A(Connect two Test Probes to output terminal on module)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e 2.7\u0026gt;.Rotate CC constant current potentiometer clockwise to set output current according to require charge current value.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2.8\u0026gt;.Connect battery at output terminal and start to charging.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3\u0026gt;.As a high power LED constant current driver:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.1\u0026gt;.Make sure LED working current and maximum working voltage.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.2\u0026gt;.Connect right input voltage at input terminal.(Note:Please don’t connect load during set parameter).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.3\u0026gt;.Short circuit between OUT+ and OUT-(Connect both by wire).Or test output voltage by multimeter at output terminal and adjust CV potentiometer to set output voltage to LED’s maximum working voltage.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.4\u0026gt;.Rotate CC potentiometer counterclockwise more than 10 turns.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.5\u0026gt;.Test Output short circuit current by multimeter at 10A or 20A(Connect two Test Probes to output terminal on module)Or Short circuit output terminal directly.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.6\u0026gt;.Rotate CC constant current potentiometer clockwise to set output current according to require LED working current.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3.7\u0026gt;.Connect LED and test.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1\u0026gt;.It is a DC power module,So it can not connect to AC power.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e 2\u0026gt;.Please don’t short output.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e 3\u0026gt;.Please make sure input power is more than load power.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4\u0026gt;.Please step down output power if module is hot.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5\u0026gt;.Rotate CV potentiometer counterclockwise more than 10 turns if the output voltage can not be adjusted.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:14px;\"\u003e6\u0026gt;.Output current can not keep fix value output\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003cspan style=\"font-size:14px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage Included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e1 x ZK-DP3A 15W USB Step UP Power Supply Module\u003c\/span\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/DA\/EE\/fc8688ca-349b-4af8-ace2-b38b33d2d213.jpg\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/BF\/33\/bfc1cda8-063e-4138-a928-a6ccf9ffdf22.jpg\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/B5\/A8\/c0f88597-b322-4037-a176-33f19eefab4b.jpg\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/F0\/D9\/92668c2b-d39b-4f86-a7f3-85cb18a71e92.jpg\"\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/67\/AC\/85510c73-1f0c-46d1-b27e-9d658d59b39f.jpg\"\u003e","brand":"Electronic Pro","offers":[{"title":"1#","offer_id":35445837562012,"sku":"1579720","price":680.0,"currency_code":"ZAR","in_stock":true},{"title":"2#","offer_id":35445837594780,"sku":"","price":568.53,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/89f62cf8-4ea0-42ee-9152-af1b2142f6bb.jpg?v=1597051775","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/zk-dp3a-15w-usb-step-up-power-supply-module-boost-adjustable-converter-fan-speed-control-potentiometer-with-lcd-display","provider":"Electronic Pro ","version":"1.0","type":"link"}