1.This solar radio with 4000mAh battery can charge as a power bank for your phone, tablet device and other devices. Do not worry about the sudden loss of your phone's power in outdoor. 2.It has super bright LEDs and a normal flashlight. Provide sufficient brightness in the evening or at dusk for reading, hiking, camping or in emergencies. Also, there is an SOS alarm for sudden accident. 3.The built-in rechargeable Li-ion battery crank radio can be charged with USB cable, hand cranking and the solar panel,4000mah rechargeable battery supplies 10-12 hours of radio time, or up to 15 hours of flashlight time when fully charged; 4.The radio will dependably receive up to the second emergency weather forecasts and emergency news broadcasts from NOAA and AM/FM stations. 5.Compact size solar emergency radio is easy to carry as an emergency kit in travelling, camping, backpacking, must add to your backpack or car.