[Emergency Necessary] The built-in 4000mAh battery can charge your phone in an emergency. If there is no power supply for charging, the hand crank and solar panels can save your energy. Portable AM/FM/WB radio, zoom flashlight with 3 modes, reading light, SOS alarm, solar radio meet your various needs and are very practical in emergency situations. [4000mAh Upgraded Large Capacity Version] The battery capacity is twice or even four times that of other solar radios on the market. The solar radio uses replaceable lithium-ion batteries, which can effectively extend the electromagnetic life of the radio. in case of power outage or emergency In case of emergency, it can be used as a mobile power source for mobile phones. [4 Types of Charging Methods] Bad weather causes power outages or there is no power supply in outdoor sports camping, the hand crank and solar panels can power the radio in an emergency. Battery charging and USB fast charging are the main power sources for daily use. The