Solar panel used in solar torch is of poly crystalline type & is of rating 0.2W/5V. It will take 5 hours for torch to get fully charged under bright sunlight. LED torch light used is bright with rating of 0.5W. LED has got a life of 50,000 hours. Reading light LED is of rating 0.2W LED which is bright enough for reading for indoor purpose.Battery type used is Lithium Iron Phosphate (LiFePO4) which is the most safer battery among lithium ion batteries. Batteries used is of rating 3.2V/250mAh. For torch use it will last for 2 hours & for 4 hours for reading light.