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Thread: measuring mAh accurately?

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  1. measuring mAh accurately? 
    #1
    I have plenty of DMM's floating around, but none of them will read the values of the 1000-5000mAh packs. My biggest DMM 9MAC EM700) will read Amps no problem as long as there is more than 5 Amps present. What equipment are you guys using to test these parameters accurately? And please don't tell me "just what the charger says" LOL
     

  2.  
    #2
    Join Date
    02-20-2002
    Posts
    3,695
    I use a CBA battery tester from WEst Mountain Radio.
    http://www.westmountainradio.com/CBA.htm
     

  3.  
    #3
    Thats pretty cool. is there anything else that you guys are using though? maybe something a bit less expensive?
     

  4.  
    #4
    Join Date
    09-07-2002
    Location
    Vegas, baby!
    Posts
    205
    You want accurate but cheaper than $109? Good luck with that. A DMM isn't going to tell you anything. Beyond that tester that was linked you're looking at something like a Turbo Matcher which works cell by cell in the pack and will run you well in excess of $500 new. The discharge readout on my charger/cycler is good enough for me.
     

  5.  
    #5
    Join Date
    06-14-2000
    Location
    Las Vegas
    Posts
    2,064
    I don't know what a DMM is, but will something like this fit your needs?

    Astro Flight Super Whatt-Meter
    http://www2.towerhobbies.com/cgi-bin...&I=LX3605&P=ML
    $55

    I have one and works good for me.
     

  6.  
    #6
    Join Date
    07-29-2005
    Location
    Mesquite, TX
    Posts
    1,938
    digital multimeter. it will tell you resistance, voltage, amperage and all that jazz.
     

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