NOCO Genius Boost Pro GB150 4000 Amp 12V UltraSafe Lithium Jump Starter Compact, yet powerful lithium jump starter rated at 4,000 Amps (22,500 Joules3S) - up to 80 jump starts on a single charge. An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery. An ultra-bright 100 lumen LED flashlight with 7 light modes, including SOS and Emergency Strobe. Recharge your personal devices, like smartphones, tablets, plus power 12-volt devices, like tire pumps, inverters and more. Designed for both gas and diesel engines up to 10+ Liters for a car, truck, boat, diesel pickup, commercial vehicles, equipment and more. Internal Battery - 88 Watt-Hour Lithium-Ion