KEY FEATURES Companion battery pack for Cellink neo 6x, NEO 6X and NEO 9X Provides an additional 45 hrs of constant recording (dash cam model dependant) Plug & Play - simply plugs into Cellink NEO 6 or NEO 9 battery pack with a single cable Expandable - connect up to 5 x EXT 7 in sequence to increase recording times Compatible with NEO battery manager app for iOS and Android Safe and dependable LiFePO4 (Lithium Iron Phosphate) technology Package includes connection cable to Cellink NEO 6 or NEO 9 battery pack