How long does the LaunchPort with Buttons battery last? March 07, 2018 17:01 Updated Follow Up to 5 years under normal use. The device uses a CR-2032 coin-cell battery which can be replaced. Related articles How do I program Sleeve buttons to work with my control system? Do Sleeve buttons work via IR or Bluetooth? I would like to use Sleeve Buttons in Europe. What do I need? iPad Battery Expansion Note xPRESS Audio Keypad not holding a charge Comments 0 comments Please sign in to leave a comment.