bids are invited for 18 watt solar street lighting system (for more detail please read cearfully our solar street light specification) - 18 watt solar street lighting system 1. battery brand/model/type -48 ah lithium iron phosphate (lifepo4) battery , minimum 12 volt with proper protection (make-exide/luminous/microtek/utl or superior quality) 2. solar pv modules brand/model/type- 75 wp mono crystalline panel (luminous/microtek/vikram or equivalent pv module mnre certified 3. automatic charge controller-the capacity of mppt is 10a (exide/havells /luminous/utl or superior quality mppt with dusk to down ) 4. led solar street light-18 watt led solar street light(havells/ philips/ syska/luminous/ panasonic or superior quality) 5.street light pole- minimum 6 meter height hot deep galvanized (minimum coating 80 micron) , thickness of top2 meter pole is- 3 mm & bottom 4meter is 4 mm, diameter of top 2 mtr pole is-3 inch and bottom 4 mtr is 4 inch and weight of pole is at least-40kgbattery box-a vented, acid proof and corrosion resistant metallic box with a locking arrangement for outdoor use should be provided for housing the battery. total quantity : 1