NOCO GB40 1000 Amp 12-Volt Lithium Jump Starter – Portable Jump Starter DeviceAbout This ProductThe GB40 is a compact, portable lithium-ion jump starter delivering 1,000 amps (7,000 J3S) to jump start a dead battery in seconds. Designed with patented safety technology, it features spark-proof connections and reverse polarity protection for safe, simple operation by anyone. In addition to jump starting, it functions as a portable power source for recharging USB devices such as smartphones, tablets, and more. Suitable for cars, boats, RVs, trucks, and other vehicles with gas engines up to 6.0 L and diesel engines up to 3.0 L.Highlights·Start Dead Batteries: Safely jump start a dead battery in seconds with this compact yet powerful 1,000-amp lithium jump starter—capable of up to 20 jump starts on a single charge·UltraSafe Design: Mistake-proof technology with spark-proof connections and reverse polarity protection for safe use on any 12-volt automotive battery·Multi-Function: Works as a jump starter, portable power bank, and LED flashlight; recharge smartphones, tablets, and other USB devices·Integrated Flashlight: Built-in 100-lumen LED flashlight with seven lighting modes, including emergency strobe and SOS·Advanced Construction: High-discharge lithium technology for reliable performance in extreme climates (-20°F to 140°F); rugged, water-resistant IP65 enclosure with a rubberized, scratch-resistant over-molded casing·Ultra-Compact Design: Lightweight and portable, measuring 3.2 × 1.7 × 6.7 inches and weighing just 2.4 pounds