New Longer Life Battery! The PowerShell™ w/Extended Life Battery for Z1 and Z2 is the first fully integrated power solution for CPAP users that need a totally portable, integrated power source.
Extended Life Battery fits the PowerShell® for the Z1 and Z2 and is the smallest integrated CPAP battery available. It holds twice the charge of the original.
New Longer Life Battery! The PowerShell™ w/Extended Life Battery for Z1 and Z2 is the first fully integrated power solution for CPAP users that need a totally portable, integrated power source.