d.light S3 Solar Lantern (also distributed under generic model variations like DL-355), which functions as an ultra-portable solar study lamp and emergency light.Below are the key specifications for this solar lantern:💡 Lighting & PerformanceBrightness: Up to 4x brighter than a standard kerosene lamp.Runtime: Provides 4 to 12 hours of continuous light on a full charge (depending on high/low settings).LED Lifespan: Designed for over 50,000 hours of use.🔋 Battery & ChargingBattery Capacity: 450 mAh / 3.2V Lithium Ferro-Phosphate (LiFePO4) built-in rechargeable battery.Dual Charging Modes:Solar: Charges via the high-efficiency integrated solar panel built into the back of the circular lamp casing.AC Charging: Features a standard pin/USB ports for option-based wall charging.Indicator: Features a charging status LED display indication.mb✅