The NOCO Boost X GB155 is a cutting-edge 4250A UltraSafe jump starter designed for extreme performance. With a powerful 4,250 amps, it can jump-start petrol engines up to 10.0L and diesel engines up to 8.0L. Equipped with ULTRASAFE 2.0 technology, it offers upgraded spark-proof and reverse polarity protection, along with enhanced thermal efficiency and power management, ensuring both safety and extended battery life. The GB155 recharges in just 2.7 hours via USB-C Power Delivery, or you can gain enough power for a jump start in just 5 minutes, even from a completely depleted battery. Its 60-second timer conserves power, allowing for up to 8 jump starts per charge, while maintaining extreme energy with each start. With 60-watt USB-C Power Delivery, it also doubles as a high-output portable power bank to charge devices like phones, tablets, and laptops. The 500-lumen LED flashlight, featuring 7 light modes including SOS and strobe, ensures visibility in low-light situations. In the box, you’ll receive the jump starter, heavy-duty clamps, USB-C charging cable, and a microfiber storage bag. Backed by a 1-year warranty and engineered in the USA, the NOCO Boost X GB155 is the ultimate tool for powerful, reliable jump-starting and portable power