Make sure you do a software update. After days of trying to fix my Bose, this was the only thing that made it charge gain. Update using a computer: To update your product:: (1) On a computer, go to btu.bose.com to open the Bose updater (2) Follow the updater instructions to update your product. Tip: If the updater is not already installed on your computer, you will be prompted to download and install it. If you have difficulty with the updater, see Compatibility info for the Bose online product updater