HDM Z1™ and Z2™ Extended Life Battery

HDM Z1™ and Z2™ Extended Life Battery is a rechargeable lithium ion battery that works with the Z1 & Z2 PowerShell and is the only fully integrated CPAP battery option in the USA. The battery is designed to give you power when you do not have immediate access to it such as when you are camping. The Extend Life Battery can hold twice the capacity of the original battery. The weight of the battery is 15.5 oz.