Additional Rechargeable Li-Ion Battery Pack For Confidea Flex G4 To:- Provide Additional Power To Extend Operating Time With Another 12H, Totaling 24H Of Typical Use With The Battery Included With The Confidea Flex G4.- Enable Alternating Charging Schemes By Hot Swapping Batteries In The Confidea Flex G4 Dual Battery Compartment While Keeping The Units Connected To The Access Point - Televic