Average hours of operation per day - 1 light, 3-4 hours approved by ERTL(east) and approved by MNRE as model -I,having following specification.

Model -I, 1*18wp,lamp-1*9WCFL,Battery1*12V,20ah,tubuler low maintenance type lead acid battery,other components- central electronics (CCE), Model mounting structure, battery box, inter connecting wires/cables, switch operation, instruction and maintenance manual.

The low voltage cut off set point will not be lower than 11V and the high voltage cut off should be 14.6V 27 degree Celsius 

The lamp will be compact CFL type,9W, 600+/- 5% lumens.