Make sure you hear a clicking noise when inserting the Z2 into the PowerShell. If it is still not charging disconnect the Z2, battery, and power supply and reconnect. Proceed to recharge your unit again for 10-12 hours. If it is still not holding a charge it please contact us at customerservice@smallCPAP.com or call 855-436-8729 arrange a return to the manufacturer for service. Please keep the following information in mind after charging your Power Shell:

  • Disconnect the battery from the PowerShell after a full charge to prevent the battery from slowly draining within a 2-3 day period.
  • The battery needs to be charged for 10-12 hours to ensure a full charge.
  • The bars of battery life on the LCD screen need to be full, and not blinking.
  • The PowerShell battery will not charge while it is operating the Z2 for treatment. The battery must be charged between treatments.