Thinkware External Dash Cam Battery Pack increase the duration of parking surveillance mode and put less strain on your vehicle battery by adding the Thinkware iVolt Mini External Battery Pack (IVOLTMN) to your dash cam installation. iVolt Mini utilises a LiFePo4 (Lithium iron phosphate) battery which is safe for in-vehicle use as it is designed to withhold extreme temperatures. It features a super-fast charge rate of just 45 minutes while driving and simply hardwires between the dash cam and vehicle fuse box. When you open your iVolt Mini package, you will be provided with 2 Cables and fuse taps, in addition you will also need a standard Thinkware Hardwiring Cable HWC. Specification: Input Power: 12.0V - 15.5V / 10A Max, Output Voltage / Current: 12.0V - 14.6V / 2.0A MAX, Charging Voltage / Current: 14.6V / 7A (Hardwire) 14.6V / 5A (Plug and Play), Charging Time: About 45 minutes (Hardwire) About 60 minutes (Plug and Play), Usage Time: 1ch: about 20 hours (2.9Wh) 2ch: about 16 hours (3.5Wh), Battery: LiFePo4 (Lithium iron phosphate), Battery Capacity: 12.8V 4,500mAh 57.6Wh. Operating Temperature: Charging: 0 degree C to 45 degree C, Discharging: -10 degree C to 60 degree C (Cell skin temperature cannot exceed 80 degree C), Storage Temperature: -10 degree C to 60 degree C, Storage Humidity Range: 65 percent ±20 percent RH (Recommended to store 23 ±5 degree C for long term).