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Drok Boost converter not working 2019-04-10T23:32:07+00:00

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  • Jacob
    April 10, 2019 at 11:32 pm
    Post count: 0
    #35769 Reply |

    I recently purchased a DROK Numerical Control Voltage Regulator DC 8-60V to 10-120V 15A Boost Converter, Constant Voltage Current Step Up Module Adjustable Output 48V 24V 12V DC Power Supply with LED Display.

    The power supply I have it connected to is a 12 volt car battery.  I am trying to use this and the Drok boost converter to charge batteries for a DJI Mavic Pro (camera drone).  The unit works.  I set the power to 14.4 volts to mimic car power when the alternator is running.  I set  amperage at 8 amps first because the drone battery uses 6 amps.  When that didn’t work I went all the way up to 15 amps.  Still didn’t work.  When I press Okay the drone battery charges for a second and then the voltage drops to 10 volts.  The drone charger requires a constant voltage between 13 and 16 volts.

    I tried powering lower amperage devices like a cell phone.  This worked but there was still something wrong.  The Drok voltage meter went blank.

    I did some research and learned than I can lock the voltage at a constant rate.  I am not sure how to do this.  Do you know?  Thanks

     

    -Jacob

     

    Drok
    Keymaster
    April 12, 2019 at 8:45 am
    Post count: 2971
    #35775 Reply |

    Hello Jacob，

    When input power is enough, output voltage should be stable. Could you please tell us  how much input voltage and current is?

    About current adjustment,  please kindly notice it is different to voltage adjustment.
    For most of converters, output current can’t be adjusted directly, which is decided by load mainly. The current adjustment here is for limited output current.
    For example, if you set 3A output, but your battery draw 2A, the actual output should be 2A.
    If battery need to draw over 3A, actual output can’t be over 3A.

    Best regards.

    Cyle
    February 6, 2020 at 3:10 am
    Post count: 0
    #37427 Reply |

    I am using a 900w 60v input 100v out step up converter you guys make. Works great. I’m charging a battery bank lithium 10s 2p so I’m charging to 40v with a power supply now  later with a homemade generator. I’m slowly stepping the voltage up to charge my cells am currently at 36 volts. Trying not to max out my 3a 18v supply. When I step up in small increments it draws about 2.5 amps off my supply puts about a quarter amp in to the batteries on a separate meter. However. The drok amp meter shows 0.00 amps in any state. Is there a threshold I’m not getting to? Could the protection board on the pack be interfering with the meter on your board. All else it works great

    DANIEL MARTÍNEZ GARCÍA
    February 21, 2020 at 9:45 am
    Post count: 0
    #37479 Reply |

    <pre id=”tw-target-text” class=”tw-data-text tw-text-large tw-ta” dir=”ltr” data-placeholder=”Traducció”><span lang=”en”>Good morning
    I have purchased a Bost DCDC converter from 12 to 48 v Ref: 124806L.
    I do not condone to raise the tension, the output voltage is the same as that of the input.
    I have tested with two units and the result is the same.
    Can you help me?

    Thank you!!</span>

    Drok
    Keymaster
    February 21, 2020 at 10:21 am
    Post count: 2971
    #37481 Reply |

    Hello Cyle,

    We want to check if it is this item. https://www.amazon.com/dp/B01GFVI6R6/ref=as_li_tl?tag=proeng-20

    Drok
    Keymaster
    February 21, 2020 at 10:23 am
    Post count: 2971
    #37482 Reply |

    Hello DANIEL MARTÍNEZ GARCÍA，

    We are sorry we can’t search item with 124806L. Would you like to offer a product link or  other information so that we can confirm it?

    Best regards.

    DANIEL MARTÍNEZ GARCÍA
    February 21, 2020 at 11:17 am
    Post count: 0
    #37490 Reply |

    https://www.amazon.es/gp/product/B07DWWXKYM/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1

    Drok
    Keymaster
    February 22, 2020 at 7:54 am
    Post count: 2971
    #37493 Reply |

    Hello DANIEL MARTÍNEZ GARCÍA,

    May I  know mroe details about your wiring?  How is it without load?

    It would be appreciated if you can show wiring by images, we can check it carefully by that way.

    You can send a link to image here or send them to  Service@droking.com.

    Best regards.

    DANIEL MARTÍNEZ GARCÍA
    March 3, 2020 at 11:09 am
    Post count: 0
    #37567 Reply |

    I tried to test your boost from 12 to 48v, both with load and without it and the result has been that it does not raise the voltage.I send you photos of the connection as you asked me. Can you tell me how I can upload the photos?

     

    I await your news. Thank you

    Drok
    Keymaster
    March 5, 2020 at 7:53 am
    Post count: 2971
    #37584 Reply |

    Hello  DANIEL MARTÍNEZ GARCÍA,

    We are sorry we can’t find picture here. And we tried to find  it from emails but no result.

    In addition we find out one message  from you on Feb 7.  As shown below, we are not sure if you received our response.

     

     

    Jerry lee
    August 12, 2020 at 7:16 pm
    Post count: 0
    #43382 Reply |

    I was using a 36v power supply and trying to charge a 18s 75v battery. It was working at first then second time I powered it up nothing happened. No lights or smoke or smells. Nothing looks damaged. Just turned into a brick and does nothing.

    It gets current on the terminals input and output it slightly higher. No change when pushing buttons. 40v in and 48v out…

    Drok
    Keymaster
    August 13, 2020 at 6:59 am
    Post count: 2971
    #43422 Reply |

    Hello Jerry lee，

    To give you accurate answer, could you please tell us which item it is?  SKU number or product link would be appreciated.

    And would you like to show us how it is by video? With more information, we can find soluiton more quickly.

    Best regards.

    Tyson Mitchell
    March 21, 2021 at 4:24 pm
    Post count: 0
    #64223 Reply |

    Hello, I got a  400W 6v to 65v dc input to 0v to 60v output buck transformer it has a digital display. My Problem is I am trying to boost 6v to 14v but the transformer output wont go past the input. So, for example, I set my power supply for 6v input, set the transformer output for 14v then test the output with a multimeter and the reading is 6v and the transformer also displays 6v on the screen. What am I missing. thanks

    Drok
    Keymaster
    March 22, 2021 at 6:52 am
    Post count: 2971
    #64304 Reply |

    Hello Tyson Mitchell,

    Buck converter can’t increase votlage. If you need to step up voltage ,please choose boost converter.

    Best regards,

    DROK

    bravo
    September 15, 2021 at 12:25 am
    Post count: 0
    #80787 Reply |
    1. purchased this item on Amazon, for $5 more than it was listed on the Drok website:. “Boost Buck Converter, DROK DC 5.5-30V to 0.5-30V 5V 12V 24V Adjustable Power Supply Regulator Module, 4A 35W High Power Voltage Step Up Down Converter Board with Case LCD Display”
    2. i tried 5v/2a, 9v/2a, 12v/2a, and 20v/3a inputs and with all of those I could adjust voltage on the Drok but the LCD never showed any Amperage on input or output.
    3. i verified Volts and Amps on each input… but the LCD on Drok always showed 0.000 Amp on input and output.
    4. i set input voltage to 12v/2a, then increased output voltage to 14v with the Drok’s Voltage potentiometer and connected a 12v battery pack – Drok still showed 0.000 Amps on input and output, and device would not charge.
    5. Drok circuit board appears to be assembled properly, with no loose wires or solder joints.  All components appear normal, and nothing looks or smells burnt.
    6. Even with a verified 20v/3a input, with Drok set to 14v output, it will not show any Amps or charge my 12v portable battery pack.
    7. When I removed the Drok from the circuit and connected a 5.5mm barrel plug from the 20v solar output directly to the battery pack, the battery pack’s display lit up and it began charging.
    8. faulty Drok booster perhaps, or what might i be doing wrong?
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