Solar panel to charge an external charger using sunlight. Suitable for trekking in the mountains. Be completely self-sufficient in terms of electricity on your trek! This solar panel is lightweight, compact and easy to carry. Sun Power solar cells with 19% efficiency.|1 standard USB port compatible with all USB type A cables.
The power varies depending on the strength of the sunlight. If the panel is placed on a backpack and the sunlight is not stable, we do not recommend using it with a smartphone. Smartphones have a system that prevents them from charging when the current fluctuates.