Illuminates White when Boost is active. If the unit is connected properly to a battery, the GB40 will automatically detect a battery and go into Boost mode (LED flashes White when Manual Overide feature is active).

Right next to the micro USB slot is a USB-out slot: here you can charge up your smartphone, GoPro camera, tablet, wireless earphones, and more. LED flashlight All three products feature an integrated LED flashlight, which has seven 7 different light modes, including strobe and SOS – Image: NOCO When all the LEDs on the booster stay on, it may indicate a reverse polarity problem or a high temperature of the internal battery. Here are the steps to follow to resolve this issue: This example hails from NOCO’s extreme Boost range, with an even higher power rating at 2500-amps, deploying maximum energy at every start – perfect for extreme weather conditions. This compact lithium jump starter is capable of jump-starting petrol engines as large as 8.5 litres and diesel engines as big as 6.5 litres, as well as charging personal devices via USB-C power delivery.

GEN4

Before using the Manual Override feature, make sure the HD battery clamps are connected to the correct polarity battery terminals and the HD X Connect is connected to the GB40. To use the Manual Override feature, press and hold the Manual Override Button (a red exclamation point icon inside a red circle) for three (3) seconds. The White Boost LED will flash "On" and "Off" indicating you have successfully entered into Manual Override and it is ready to jump start your vehicle. If connected in reverse polarity, the Red Error LED will illuminate and the unit will not operate. An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allow it to safely connect to any battery. Wait, how does that even work? You’ll be most impressed with the recharging capabilities of the GB70. Using the regular 2.1A power input, it will need 7 hours to recharge fully. If you charge it up with its 12-volt/15-amp/36-Watt power-in port, you can boost a dead GB70 to jump-start a vehicle in 15 minutes. To fully charge it will take less than 3 hours with that 12-volt/15A/36-Watt fast-charger. How do they match up on price?

The 100% Charge LED will 'breath' on/off while charging and will be solid Green when the internal battery is fully charged.

GENIUS2

If your battery is below 12 volts, the Boost light will be off, indicating that the GB40 cannot detect the battery. Make sure your battery has a minimum voltage of 12 volts for the GB40 to function properly. The 25% Charge LED will slowly pulse "On" and "Off", when the battery is less than 25% charged. When the battery is 25% charged, the Red Charge LED will be solid. While the GB40 and GB50 are very similar in specification, NOCO Boost HD GB70 builds on their features with one handy add-on. We’ve touched upon the fact that the GB70 comes with a 12-volt/15A power out port for powering any 12-volt devices like tire inflators, inverters , and more. It offers a 12-volt/3A/36-Watt power input port that allows for rapid charging in 3 hours via your vehicle’s 12-volt port. This greatly increases the GB70’s versatility and usability. A: Since the device is a USB rechargeable, any qualified USB AC Adapter, Laptop, Car Charger, and other USB-powered port allows recharging of the device. 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.

Its patented safety technology renders to reverse polarity protection and spark-proof connections allow safe jump-start of a dead battery in seconds. The powerful and high-quality battery booster functions easily in vehicles while doubling as a power source for recharging USB devices. When shutting down, GB40 changes modes from SOS to emergency strobe eventually before turns off. Why the NOCO Boost Plus GB40 Charger is a great choice: 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 BatteryA: The jump-starter is able to contain 70% of its rated capacity for as long as one year. After the initial charge, we recommend charging the device every 6-12 months at least for optimal performance. Of course, this doesn’t reflect the qualities of these products. In most cases, new is always better. Well, in this case, it is. But we will get to that later. Power capacity HD Precision Clamps for hard-to-reach battery terminals, in-built reverse polarity, and spark-proof technology.