Lithium-ion jump starter, fuel pack and backup power. Charge 12V DC (volt, direct current) devices when traveling. 2A USB (Universal Serial Bus) port charges all USB devices, including smartphones, mp3 players and tablets. USB to micro USB adapter can charge and power all micro USB devices. Jump starter quickly starts vehicle in emergencies. Great for power sports, motorcycles and 4-6 cylinder cars. Ultralight, portable compact design fits in travel cases, backpacks or glove boxes. Scrolling digital display is easy to read, while animated display give step by step instructions to properly jump start battery. Save and protect your vehicle settings while switching out the battery (Memory Saver not included). Ultra-bright, energy efficient LED (Light Emitting Diode) light bulb can be used as a work light or flash as a hazard signal that lasts up to 120 hours. Lithium-ion phosphate battery technology provides longer life and holds 70% of charge after 2 years. Automatic power-off when not in use. Spark-free, built-in safety protection design prevents overcurrent, short-circuit, overload, overvoltage and overcharge. TSA (Transportation Security Administration) checkpoint friendly. 270 cranking Amps. Includes SL1 lithium-ion jump starter/fuel pack, clamp adapter, USB to micro USB adapter, 12V port adapter, 12V DC adapter, wall charger, black accessory case.