Power bank has a built-in smart chip that can automatically identify and be compatible with different devices, convert fluctuating voltage into stable voltage, stabilize the device, and ensure safe use. solar panel after the ideal sunlight in parallel arrangement of the circuit will produce a maximum of 5.5V/1.5A input. It can exceed the input of the old 5V1A charging head. But solar charging for emergency use, to ensure battery life, it is recommended that daily use of cable charging. Features: Solar power bank 38800mAh large battery, let you get rid of the anxiety of battery power anytime and anywhere. Solar power bank has a wireless charging function, two 5V3.1A USB fast output ports, can charge up to 3 devices at the same time. Note: Only Qi-enabled devices are compatible with wireless charging. Power bank is waterproof, drop-proof and dust-proof, and can still work normally in extreme environments. The power bank has four solar panels with a built-in power of about 2W. solar panel after the ideal sunlight in parallel arrangement of the circuit will produce a maximum of 5.5V/1.5A input. It can exceed the input of the old 5V1A charging head. But solar charging for emergency use, to ensure battery life, it is recommended that daily use of cable charging. Solar power bank has a built-in smart chip that can automatically identify and be compatible with different devices, convert fluctuating voltage into stable voltage, stabilize the device, and ensure safe use. Package Includes: 1 Camping Power Bank Listing and template services provided by inkFrog