The SR Booster has a 12V LiFePo4 starter battery and effortlessly revives empty or weak vehicle batteries with an inrush current of 2,000 A, even at low temperatures. Status information can be read from the integrated LED display. With USB output (5V, 2.4A) as power supply for separately connected devices. A white LED light allows you to work in the dark, and dangerous situations can be signaled with the red light function. Output voltage: 12V DC Max. charging time: 5 hours Connection cable included. Dimensions: WxHxD 120x260x133 mm, weight: 1.4 kg