"Why is my bluetooth speaker randomly turning off? (JBL Xtreme)"に関する回答I bought new JBL Xtreme and when I powered on first time it's battery indicator light was flashing red so I put it on charging and within 15 minutes it reached to 4th blinking light then after half an hour 5th started blinking then after 15 minutes again it came back to 4th and then never gone to 5th or fully charged. So now after 5 hours of charge waiting I connected to me phone wia Bluetooth and at full volume it played for 2 hours maximum. Surprise! They claimed for 15 hours play time but what's wrong, it's ok play time varies on volume but at least it should b able to run for 5 to 7 hours because they claime it's battery is 10000 MAH. I also upgraded the firmware but no luck. So finally I understood there is something wrong with battery. So I decided to open and check whether it has original battery, ao opened myself and saw battery looks original and not physically swollen or damaged. When I checked it's voltages for 2S are ok but for each cell it should be half of the totall 2 series cells. But it...