amp level down

Discussion in 'General Electronics Chat' started by ehsanabdullah, May 1, 2014.

  1. ehsanabdullah

    Thread Starter New Member

    May 1, 2014
    1
    0
    i got 5 dc fan having 12v and 15w power and on battery bank i used battery of 125 amp. But problem is that fans are slow and wire length is about 170 ft. Charger of battery is 10amp(intelligent). kindly any one tell me about where is the problem,
     
  2. ericgibbs

    Senior Member

    Jan 29, 2010
    2,499
    380
    hi,
    Each fan draws 15W/12V = 1.25A, so 5 fans = 6.25A.

    What gauge is your 170ft wire length.??
     
  3. wayneh

    Expert

    Sep 9, 2010
    12,093
    3,031
    Along the same line of thought, try measuring your voltage at the fans.
     
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