Start a dead battery - safely start a dead battery in seconds with this compact yet powerful 1000 amp portable lithium battery starter - up to 20 starts on a single charge - rated for gasoline engines up to 6 liters and diesel engines up to 3 liters. Safe and easy to use, no need to worry about connection errors or sparks. Our error-proof design features spark-proof technology and reverse polarity protection for safe connection to any 12-volt battery.MULTIFUNCTIONAL - It is a jump starter, power bank and LED flashlight. Charge smartphones, tablets and more. Or fast charge from any USB port. Additionally, the super bright 100 lumen LED flashlight has multiple settings including emergency strobe and SOS.Advanced Design - Our most advanced jump starter. Features high discharge lithium technology for safe operation in any climate. Rugged, waterproof housing with IP65 rating. Ultra-compact and lightweight design weighs only 2.6 pounds.