... CE, ROHS, IS09001; low price Portable Solar Lamp With Mobile Charger For Emergency Solar Light For Indoor And Outdoor ... Duration Time: 28 hours in low level with Luminance of 50 lumen, 7 hours in high ... be flexbile when people want lower lumens. Now availabe with 8 LED or 20 LED, 12 LED is normal ... for more than 10 years.7)Charging Indication: with LED charging indicator on lamp board to indicate if ...