solar lighting badminton court

estimates


--  need light  for say 4 hours daily

option 1

     2 led tubes  20 w each
     2x20x4
     160 watthours
     say 0.20 unit per day

-- eqpts
    battery   mxm  discharge 60%
                 0.34 unit  per day
                 30 ah   at 12 v

     panel   
          charging time  6 hours
           200/6
            40 watt
          plus inverer losses say 20 %
           so 50 watt


     inverter         800 va
    ( cost is almost the same for even smaller inverters )
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option 1 (led tube )

2 led tubes       rs  1400
36 ah battery        5000  approx
50 watt panel         3000
inverter  800 va      8000   approx
 cables , switch     1000
stand                     ??  ( mr sasi can giv an estimate )
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option 2  (without inverter )

  4 led bulbs         rs 1200   approx
  36 ah battery         5000
  40 w  panel           2500
  charge controller    1000
   cables , switch      1000
    stand                     ??  ----------------------  
without inverter, tube will not work

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