Have a look of our 10000mAh solar power bank!However, many manufacturers designed solar banks so that solar charging is a secondary feature. It is either a way to implement and maintain charge or just for emergency purposes. That is a key consideration to keep in mind when choosing a solar power bank.Distinct from solar chargers, solar power banks hold charge. They just don’t charge your device when you lay them out and expose them to the sun. Instead, the idea is that they act as a way to store the charge from the sun for later when you need it.Dual USB and dual LED light. It also comes with a compass.