The NOCO Boost GB40 is a 1000-amp portable lithium jump starter for 12V vehicle batteries. It weighs 2.4 pounds and fits in a glove compartment or under a car seat. The internal 24 Wh lithium battery delivers up to 20 jump starts on a single charge. The GB40 is rated for gas engines up to 6.0 liters and diesel engines up to 3.0 liters. Plus, a USB-A port lets the unit also work as a power bank for phones, tablets, or any USB-charged device.
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easy way to jump your car’s battery in a pinch
The NOCO Boost GB40 ships with heavy-duty clamps, a USB-C charging cable, and a microfiber storage bag. To jump a dead car battery, connect the clamps to the positive and negative terminals, then press the power button. The GB40 handles jump-starting in seconds. UltraSafe technology also includes spark-proof connections and reverse polarity protection. This prevents the common mistakes that can damage your car’s electrical system or cause sparks during connections.
This jump box is small enough to fit in a glove compartment and gives you a self-contained jump starter. You plug it in, connect the clamps, and start the car. The 100-lumen LED flashlight built in also has seven modes, including emergency strobe and SOS, useful for signaling on a dark roadside or working on the battery when it’s dark.
