Covers the UE Wonderboom 2 Battery Check procedure, to tell if the battery life is shortening over time. UE Wonderboom 2 Battery Check: Step by Step 1. First, Turn ON the UE Wonderboom 2 You won’t be able to read battery charge status unless the 2 is ON. To turn on the unit, press and … Continue reading UE Wonderboom 2 Battery Check