Separate design- Day/Night UseEquipped with four foldable solar panels and 10000mAh Power Bank, Use the power bank alone at night can connect it to a 14W solar panel to charge during the day, Recharge the bank fully in 2hrs (sunlight). Ideal for camping and hiking Daylight Direct Charging - No Power Bank NeededUse solar panel alone! Directly charge phones via its USB/Type-C ports while recharging the bank simultaneously