Battery was 1/2 full bought a charger and over night to charger up May need charging for 40 hours according to manual online Volt meter reads 12.2volts when connected to Jump Leads we have Not jumped a car with it Scrutinise the photos they form part description Turns on as it should lights USB air compressor all work The CAT CJ1000DXT is a 1200-peak amp (500 instant amp) jump starter with a built-in 120 PSI compressor, 200W AC inverter, and 4 USB ports for versatile roadside assistance. It features a sealed lead-acid battery, reverse polarity protection with audible alarms, and a high-intensity LED light, designed to start most V8 cars and trucks.
