© Copyright all     Xinhua Electronics Co.,Ltd. XHC6 -- XHC16 -- XHC1 -- XHC11 -- XHC20 -- XHC22 -- XHC30 -- Wiring Fittings 3 Previous Automatic Battery Monitor (12V)Simply connecting 12V Cool Boxes to the car battery through the cigarette lighter plug with this Monitor. In the event of vehicle battery undervoltage, the cool box is switched off immediately. When the voltage returns to normal, the Battery Monitor switches the box back on.Art. No. XHL-12 Input: using cigarette lighter plug Output: using cigarette lighter socketCut out deceleration approx 10 seconds Load: 5A Max Cut-out voltage: 11.8V DC Cut-in voltage: 12.8V DC Weight: 0.13kg60mm×35mm×25mm(L×W×H) 24V　Transformer (24V-12V)DC/DC transformer integrated into the power cable for connecting 12V Cool Boxes to 24V DC Art. No. XH-24-12 Efficiency 90% (very low power loss) Input voltage: 24V DC 3A Output voltage: 12V DC 5A Continuous load: 4.5A Weight: 0.2kg120mm×48mm×30mm (L×W×H)