WPN is selling portable maintenance-free residential solar kits with built-in FM radio and music player for lighting and charging electric devices such as mobile phones.
10 W solar panel
7 Ah lead acid battery
12 V output voltage
3 W LED lightbulbs (x2)
Charging time: 10-12 hours by solar, 7-8 hours by AC adapter
Lighting time: 15 hours/single bulb, 8 hours/two bulbs
Price: Rs 8,000