Powerful 1000-Ampere (7,000 Joules3S) Lithium-ion technology that jump-starts gas (up to 6 liters), petrol and diesel engines (up to 3 liters) despite its small size. 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. GB40 can jump-start vehicles with a maximum of 6.0-liter gas engines and 3.0-liter diesel engines. This model can also jump-start 20 cars before its battery is depleted. The flashlight’s strength is 100 lumens.

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? Turn on the device by pressing the start button. The indicator lights will flash to indicate that the device is functioning properly.

GB20 Boost Sport

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? Illuminates Red if reverse polarity is detected, or blinks "On" and "Off" when the internal battery temperature is too high.

Downside is the short lead length which is not a problem if your battery connections are on top, you would struggle if the battery was sideways. If the Company made the leads a little longer I would give a 5 star rating. Its a little unfair for me to take a star away because for me this was not a problem but if your connections are not easy to get to then this is not the product for you. 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. With a higher power rating, the BOOST X GX75 is also one of NOCO’s most versatile jump starters, capable of restarting large vehicles such as tractors and SUVs. Connect the GB40 using the included USB Charge Cable to the USB IN port and the USB car charger. It can also be recharged from any USB powered port, like an AC adapter, car charger, laptop and more. The USB IN port is rated at 2.1 Amps to ensure safe and efficient charging of the internal lithium battery. Due to FCC regulations, we recommend not to charge and discharge the unit at the same time. Charging Times Advanced Design – Our most advanced jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. And an ultra-compact and lightweight design, weighing only 2.4-pounds.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 75% Charge LED will 'breath' on/ off while charging and will be solid Yellow when the internal battery is 75% charged.