Bullet Points:1、【Need Lots of Sunlight】: Converting solar energy into electricity requires a lot of sunlight, so you can only use sunlight to charge your device with this portable external battery under special circumstances.2、【20000mAh Battery】: The solar charger with a 20000mAh battery can charge your smartphone about 4-6 times. This portable charger allows you not to worry about the device running out of power.3、【Excellent Safety Circuit】: The charger has automatic identification technology and multiple protection circuits, which can protect devices from overcharge, overvoltage, overcurrent, and short circuits.4、【Save Time】: The solar power bank can charge two devices at the same time because it has 2 outputs, which saves time. The green LED indicator lights up to indicate solar charging.5、【Wide Range of Uses】: The solar charger is an ideal solar kit for battery charging systems. The portable charger is ideal for camping, hiking, picnics, and other outdoor activities.Description: The portable charger has solar panels and can charge two devices at the same time, saving half the time.Specifications: Input voltage: 5V2AOutput voltage: 5V2.1ABattery capacity: 20000mAhType: polymer lithium batteryColour: BlackSize: about 142x67x16mm/5.59x2.63x0.62 inchesPacking List: Solar Power Bank*1Notes: Due to the lighting effects and shoot angles, there is a color difference in the product, please understand.Due to manual measurement, there is tolerance in the product size.