Safely jump-start a dead battery in seconds with the NOCO® Genius Boost Plus GB40 Jump-Starter Power Pack. This compact yet powerful 1,000A portable lithium car battery jump-starter pack delivers up a 20 jump-starts on a single charge, and can jump gasoline engines up to 6L or diesel engines up to 3L. This safe and easy-to-use jump-starter puts an end to the worry of incorrect connections or sparks. Safely connect to any 12V automotive car battery with the mistake-proof design featuring spark-proof technology and reverse polarity protection. Multifunction performance provides a car jump-starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB devices. It’s easily rechargeable from any powered USB port in 3 hours at 2.1A. Plus, an integrated 100-lumen LED flashlight with 7 light modes, including emergency strobe and SOS. Includes needle-nose battery clamps, Micro USB charging cable, and microfiber storage bag. Mfrs. 1-year limited warranty.