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Has anyone used this module before UPS DC- DC converter

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    #1

    Has anyone used this module before UPS DC- DC converter

    I bought four of these for a project that I am working on

    UPS Mobile Power DIY Board Charger Step-up DC DC Converter Module 5V 2.1A Output

    I about to test this board and see how well it works

    Here is the website link to where you can buy some if you are interested in some

    https://www.ebay.com/itm/UPS-Mobile-...53.m2749.l2649
    ( You might not find all versions available from this seller )

    Look at application number 2 this is how I going to use them

    You can get in the 5 volt / 6 volt / 9 volt / 12 volt versions of them
    Last edited by sam_sam_sam; 05-10-2020, 07:44 AM.
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps
    Tags: None
    #2
    Re: Has anyone used this module before UPS DC- DC converter

    This is the results of some rough testing the small little board is real fun to solder the wires to the board because the spacing are a little close to each other

    The little board seem to charge the battery with out any problems but I have not time to fully test yet
    9 PC LCD Monitor
    6 LCD Flat Screen TV
    30 Desk Top Switching Power Supply
    10 Battery Charger Switching Power Supply for Power Tool
    6 18v Lithium Battery Power Boards for Tool Battery Packs
    1 XBox 360 Switching Power Supply and M Board
    25 Servo Drives 220/460 3 Phase
    6 De-soldering Station Switching Power Supply 1 Power Supply
    1 Dell Mother Board
    15 Computer Power Supply
    1 HP Printer Supply & Control Board * lighting finished it *


    These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%

    1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
    2 Hem Saw Computer Stack Board

    All of these had CAPs POOF
    All of the mosfet that are taken out by bad caps

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