Portable solar DC system are stand-alone photovoltaic systems that offer a cost-effective mode of supplying amenity power for lighting and appliances to remote off-grid households. In rural areas, that are not connected to the grid. Pakistan Solar Services has come up with a solution named as Portable DC Solar Systems.
Total wattage of system is 300 watts
50watt panel with 5M wire
20A pwm controller
26AH Samsung Lithium cells bank
Backup on 2 Led Bulb
1 Dc fan (1A) is 14 Hours