Ultracapacitor Hybrid Jump Starter Quick and easy to charge from vehicle battery, DC port or backup lithium battery. Maintenance-free. Suitable for gasoline and diesel engines. Digital display and LED indicators. Heavy-duty clamps. Microprocessor-controlled. Short circuit protection. Reverse polarity protection Override Mode to start engine without any battery mounted. Glow Mode for cold start of diesel engine. Meets the highest industry standards for energy efficiency. Contents: (1) DSR132 jump starter with clamps (1) USB-Micro USB charging cable (1) 12V DC car charger (1) Manual DSR132