Product description Maximum power: 0.66w operating voltage: 5.5v working current: 0.12a open-circuit voltage: 6.6v Product feature These solar panels are encapsulated by epoxy glue and made of solar cells imported from german. They have high stability with high quality and reasonable price. They can charge mobile cell phones under the sunlight quickly, which is convenient and environmental. They are not only elegant but also practical with longevity. Product specification/models 85*50mm Application Charging mobile cell phones.