NOCO Boost Plus GB40 1000 Amp 12-Volt UltraSafe Portable Lithium Car Battery Jump Starter Pack for up To 6-Liter Petrol and 3-Liter Diesel Engines

Product Information

You must have had an incidence where you have a car fallen flat on your face with a dead battery. Or when after a freezing day, your car in the garage will not start and you have to be somewhere. And it things become more frustrating when you have had four jump starters already and tired of looking for another true fighter. The horrible days are over because here comes the NOCO Boost Plus GB40 review. Depending on the mode selection, the GB40 will have various levels of output and runtime. Selecting a lower power level when using the GB40 for extended periods of time will prolong battery life.

Ok, I am no mechanic; I can just about show you where the wheels are on my car! So when it came to purchasing jump starter to actually start the car we were venturing into an alternative Universe. But along comes The NOCO GB 40 Boost. The most important feature to me is the safety feature. Believe me, when your not familiar with the workings of your car, this feature is vital. While this may be overkill for most motorists, for absolute reliability in the toughest of conditions, this is one of the best battery chargers on the market. A: After all necessary connections are completed and the vehicle’s power loads are switched off, press the Power Button of GB40 to begin the jump-starting process. All LEDs will flash, indicating properly functioning LEDs. The White Boost LED will illuminate indicating a proper connection to the battery. Reverse connection of battery clamps makes the Red Error LED to illuminate. Reversing the connections again will flash the White Boost LED which means the GB40 is ready for jump-starting the vehicle.

LED Flashlight

The GB40 has four (4) Charge LEDs - 25%, 50%, 75% and 100%. These Charge LEDs indicate the internal battery's state-of-charge (SOC). See below: LED

UltraSafe – Safe and easy to use without the worry of incorrect connections or sparks. Safely connect to any 12-volt battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

GB250+ Boost Max

The GB40 has a built in energy saving feature that will automatically turn the unit off after seven (7) hours. To continue using, simply power on the unit again. Technical Specifications Internal Battery: An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery. The GB40 comes partially charged out of the box and needs to be fully charged prior to use. Carefully read and understand the vehicle owner's manual on specific precautions and recommended methods for jump starting the vehicle. Make sure to determine the voltage and chemistry of the battery by referring to your battery owner's manual prior to using this product. The GB40 is for jump starting 12-volt lead-acid batteries only. Connecting to the Battery When connected to a USB charger, no other charge LEDs will be illuminated. Once disconnected from the charger, all four (4) Charge LEDs will be illuminated when the internal battery is between 75%-100%, and the unit is powered "ON".