Here we have the FLIR T198322ACC Truck Charger. It is designed to be installed in your vehicle, it is for Kxx Series Cameras Only.

General Specs
Charging time: < 4 hours
Charging temp: 0°C to 45°C ( 32°F to 113°F)
External power, connector type Screw terminal or HRS_UK60-3PT
DC operation: 12/ 24 V DCnominal (11.1 - 28.0 V DC)
Power: Max 36 Watts or 3000 mA at 12 VDC (5 amps fuse)

Environmental data:
Operating temperature range: –40°C to 85°C (–40°F to 185°F)
Storage temperature range: –40°C to 85°C (–40°F to 185°F)
Relative humidity: Operational for non-condensing humidity between 5% and 95%.
Weight: 1.050 kg
Size in mm: 380 mm × 180 mm × 153 mm (L × W × H)
Size in inches: 15 in. × 7.1 in. × 6 in. (L × W × H)
Material: PC / ABS
Color: Grey / Black