The NOCO Boost Plus GB40 is a compact, 1,000-amp portable lithium jump starter designed to safely jump-start 12-volt dead batteries for gasoline engines up to 6.0 liters and diesel engines up to 3.0 liters. Key Specifications & Features • Power Output: 1,000-amp peak power capable of up to 20 jump starts on a single charge. Safety: Spark-proof technology and reverse polarity protection Extra Uses: Doubles as a USB power bank for phones and includes a 100-lumen LED flashlight with seven modes (including SOS and Strobe) Build: Rugged, IP65 water-resistant housing with rubberized casing, weighing about 2.45 lbs.