Greenlight Planet's latest product, the Sun King Pico Plus with USB for lantern charging strikes the perfect balance between durability, performance and affordability. Designed to meet your basic lighting needs during the night, while studying or reading or as an emergency light. It also features an integrated solar panel, a long-lasting lithium ferro-phosphate battery and the same versatile, user-friendly design Sun King customers love. With its 50 lumen, single white LED light, Sun King Pico Plus conservatively yields up to 72 hours of light from a single sunny day of solar charging.KEY FEATURESLightingPower LEDs with 50 lumens total flux, neutral color temperatureThree light modes: with run timeTurbo (50 lumens); 4 hrs run timeNormal (25 lumens); 8 hrs run timeLow (2 lumens): 72 hrs run time360 degree ambient wide-angle spreadBattery & Power500 mAh, 3.2 volt, lithium ferro-phosphate (LiFePO4) battery350 mW, integrated polycrystalline solar panelUp to 72 hours of run time on a day’s chargeMaterials & DurabilityDrop-proof, water resistant, UV-stable, IP65 rated polycarbonate & ABS casing.Size & weightLamp Dimension: 108 x 89 x 41 mmStand Dimension: 110 x  mmSolar Panel Dimension: 57 x 55 x 2 mmLamp Weight: 120gStand Weight: 160gWarrantyStandard 2 year Sun King warrantyDigital controlActive battery management automatically switches to low power when battery is running low, giving user 5 hours of additional light