Toggles the ultra-bright LED light through 7 light modes: 100% > 50% > 10% > SOS > Blink > Strobe > Off Recharge your personal devices on the go, like smartphones, tablets, e-watches and more - up to 4 smartphone recharges. Flexible and well-built cables overheating or melting including the functionality to detect connection errors through the installed system and display along with other problems of the device before use.

Seven light modes including flashlight features for car hood lighting and emergency strobe for 100-Lumen LED light used at the front side. 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

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The 50% Charge LED will 'breath' on/off while charging and will be solid Red when the internal battery is 50% charged. The GB40 shall display an Error Condition when a reverse polarity condition is present, a battery below two (2) volts, or the internal battery overheating. When one of these Error Conditions are present, the following will happen: Error Oh, and it doesn’t stop there. The GB70 is also the only one that offers an additional charging input: 36W/3A fast adaptive charger. This fast-charging option is a game-changer for GB70 since it provides twice the amperage and battery capacity as GB40. It would, in theory, takes twice as long to charge fully. But with this 36W/3A fast charging, you don’t have to wait half a day to get a GB70 ready for your road trip. The three GB brothers The NOCO GB40’s can last a very long time due to the cycle capabilities of the lithium battery, the key is to charge them once every 6 months if they are in storage. Q3: Does Noco GB40 charge battery? Noco Boost’s flashlight features seven different modes including emergency strobe and SOS. This makes it easier for other motorists to see you and easier to signal for help. The flashlight can be used for any situation when visibility is decreased and you need an extra source of illumination.

First, try resetting the device. To do this, simply remove the battery and then reinsert it. This should reset the device and hopefully fix the issue. 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. For those who require a lot more power than what the GB40 and GB50 can offer, you must fork out quite a bit more dollars for the GB70. Saying that, it still offers excellent value for the amount of power it carries, its added features, and a higher rating for jump-starting batteries. Recap: Which one should you buy?The 25% Charge LED will 'breath' on/off while charging and will be solid Red when the internal battery is 25% charged. 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? I like the other features of this little gem, it can pow er up your phone and I Pad on long journeys. There is a torch with various modes including SOS incase you are lost at Sea.The Unit is small, light but solid and well made, and comes with a storage bag.