Ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries Safely jump starts a dead battery in seconds - up to 20 jump starts with a single charge Spark-proof technology Reverse polarity protection Suitable for gasoline engines up to 6 liters and diesel engines up to 3 liters for motorcycles, ATVs, lawn mowers, cars and more Plus model rated at 1,000A (7,000 joules); Sport model rated at 400A (4,650 joules) Features HD Precision Clamps for hard to reach battery terminals Built-in LED flashlight with 7-modes, including SOS and emergency strobe Can recharge virtually any USB device, including smartphones and tablets with included 12V USB charger Includes 40in. USB-to-micro USB cable and USB battery pack for recharging personal devices on the go - up to four smartphone recharges Holds a charge up to one year.