Solar Panel

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • gobingo88
    Junior Member
    • Aug 2010
    • 1
    #1

    Solar Panel

    Hello newbie here, I have a solar panel got it from a surplus shop. 4 separates solar panel it measure 12in x 35 in each. My problem is how will i know the total watts for this solar panel. More power and thank you

    Manuel Morcilla III
    Philippines
    Tags: None
  • russ
    Solar Fanatic
    • Jul 2009
    • 10360
    #2
    Hi Manuel, I deleted the copy post you made in another forum leaving this thread.

    Hope we hear from Sunking or Mike who can better reply to you.
    [SIGPIC][/SIGPIC]

    Comment

    • Mike90250
      Moderator
      • May 2009
      • 16020
      #3
      for a home user, you can measure open ckt voltage, say 21V. Then measure short ckt amps (say 1.3a) Multiply together to get 27.3 Then take 2/3 of that, and you will be close 27.3 x .6666 =18.19818watts
      Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
      || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
      || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

      solar: http://tinyurl.com/LMR-Solar
      gen: http://tinyurl.com/LMR-Lister

      Comment

      Previous template Next
      Working...