Here is a Bluetooth speaker designed to keep you connected in case of a power outage. The StormChaser is an emergency weather speaker with NOAA Weather & S.A.M.E alerts. It also has flashlight and emergency lights. StormChaser is IPX5 rated and lasts up to 10 hours on battery.
This speaker can be charged with sunlight and a hand crank. It even has a bottle opener built-in.