Noco Boost GB40 VS Noco GB70

Both the Noco Boost GB40 and the Noco GB70 are powerful jumpstarters, that are multi-functional and provide powerful battery boost, they are compact, so you ensure, your car’s battery never goes down.Both jump starters consist of lithium-ion battery. They have the same 5V and 2.1 input and out put ports. GB70 is double the weight of its counterpart. Both of the products come with one year of warranty.

Noco GB40 1000A NOCO is a compact lithium-ion battery jump starter pack with dimensions 8.3 x 4.1 x 4.6 inches that can jump-start a flat battery in seconds. It has a proprietary safety feature that enables anti-spark connections and reverse polarity protection, making it safe and simple to use for everyone. It’s a high-capacity lightweight battery booster that also functions as a portable power supply for charging USB devices like smartphones. designed for petrol engines up to 6 liters and diesel engines up to 3 liters.

Noco Boost Jump Starter GB40 VS GB70

Noco GB70 is a 12-volt lithium automobile battery jump starter pack that is ultra-portable, tough, and durable, with dimensions of 12.6 x 7.4 x 3.7 inches. You can securely jump-start a dead battery in seconds using it, and it can do it up to 40 times on a single charge. It’s a portable auto battery jump-starting booster that also features spark-proof technology and reverse polarity protection, making operation easier. The GB70 has a high-output 400-lumen LED flashlight with seven different light settings, unlike the 100-lumen LED flashlight of GB40. It can boost automobiles with gas engines up to 8.0 liters and diesel engines up to 6.0 liters.

Noco Boost GB40 VS Noco GB70 Comparison Table

ManufacturerNOCO BoostNOCO Boost
Internal BatteryLithium-IonLithium-Ion
Peak Current Rating1000 A2000 A
Number of boosters per charge2040
Micro USB Input5 V, 2.1 A5 V, 2.1 A
USB Output5 V, 2.1 A5 V, 2.1 A
12 V Input/ Output portsNoYes
Safety featureYesYes
Manual OverdriveYesYes
LED Flashlight100 Lumens400 Lumens
Housing ProtectionIP65 (w/ Ports closed)IP65 (w/ Ports closed)
Unit weight2.4 pounds5 pounds
Warranty1 year1 year
Price (US dollars)100 $200 $


Pros of GB40Pros of GB70
Portable and lightweightJumpstart up to 40 times per charge.
Less pricey as compared to its counterpartProvides easy jumpstarts to heavy engines
Can easily jump-start light enginesSuitable for various types of engines


Cons of GB40Cons of GB70
Jump-start only lower capacity enginesToo bulky and space consuming
Limited ports and low capacityMore expensive than its counterpart
No 12V input/output ports.No fast charging without 12V


Having been manufactured by the same company, both devices feature the same design. A power button on the front panel indicates whether the power is on or off. Lights indicate battery capacity, a flashlight button, a boost indication, and a manual on/off switch are also included. GB40 comes with a compact and portable design and weighs only 2.4 pounds. The Noco GB70, on the other hand, is bulky and weighs 5 pounds. GB40 is a portable device that requires a little space in your vehicle’s glove compartment, while GB70, being a bulky one, might need a near empty glove for storing it.

Make sure you watch this below highly recommended video:

USB port

A micro-USB connection is present on the opposite end. Simply plug the micro-USB connection into a USB charger outlet for quick 2.1A charging. This procedure is applicable to both the NOCO models. They also come with power bank functionality. With the USB-out slot located next to the micro-USB slot, you can charge your smartphone, tablet, wireless earphones, and many other devices. The USB port of the Noco Gb70 can accommodate up to six USB devices at once. On the Gb40, however, only one USB device may be utilized at a time.

Led flashlight

Both the products are integrated with an LED flashlight, which is used as a tool. Both the GB40 and the GB70 include seven light setting modes with SOS and emergency flashlight functions. The main difference is that the GB70 has a brighter light than the GB40, with a 400-lumen output against a 100-lumen.

Physical CharacteristicsGB40GB70
ColorBlack and GrayBlack and Gray
Weight2.4 pounds5 pounds
Height (inches)1.72.8
Width (inches)3.26.0
Length (inches)7.78.8

Safety features:

Both the products have reverse polarity protection, making them safe to use and reducing the possibility of a spark, so even if the cables are incorrectly connected, the system won’t produce any sparks and your car’s battery will remain safe. Due to their superior structure and elasticity, they help avoid overheating and cable melting as well.


The time it takes to charge the internal battery of these NOCO Boost jump starters depends on the current rating of the USB charger used. A USB connection with a maximum input rating of 2.1 amps may be used to charge both the GB40 and the GB70. The GB40 is charged faster due to the small capacity of its built-in batteries. However, the GB70’s having a high-capacity built-in battery consumes more time to recharge. The following table is a comparison of the specific recharging times for these jump starters.

USB Charger RatingGB40GB70
0.5 A12 hrs.28 hrs.
1 A6 hrs.14 hrs.
2 A3hrs.7 hrs.
12V fast chargeN/A2-3hrs.

GB70 is additionally equipped with a 12V DC input power. So it can be charged through 12V sockets, which takes less than 3 hours, making it faster to recharge as compared to its peers.

Maximum starting current:

The size of the engine decides which jump starter should be utilized. The bigger the engine, the higher the initial current. GB70 has a high current rate of 2,000 amps and up to 40 jump starts on a single charge, which is double the maximum current of its competitor. GB40 has a maximum current rate of 1,000 amps and up to 20 jump starts on a single charge. However, it can do well with smaller capacity engines and light vehicles.

Supported Vehicles Models:

Both are used to charge gasoline and diesel engines. However, GB70 is used to hold up gas engines up to 8 liters and 6 liters for diesel engines. whereas the GB40 holds the gas engine to only 6 liters and is suitable for diesel engines with a capacity of only 3 liters.


Both the products are manufactured by NOCO, and they offer a period of 1 year warranty for both of these BOOST jump starters. Their warranty depends on the proof of purchase or the date of manufacture.


GB40 is an inexpensive option, costing you only around 100 US dollars. Meanwhile, GB70 is more expensive and it comes at a price of 200 US dollars. The latter is double the price as its features are also double those of its counterpart.

How to operate?

Both devices may be used to charge vehicles or any other dead battery in the same way. To use these jump starters to restart a car with a dead battery, follow the procedures below:

  1. Firstly, connect the clamps according to the correct polarity of the battery terminals.
  2. Press the power button to initiate jump start. All of the LEDs will blink, showing that they are all working properly. Before attempting to jump-start the vehicle, make sure all of the vehicle’s power loads (headlights, radio, air conditioning, etc.) are switched off.
  3. Now, try starting your vehicle again if it does not start right away. Wait for 30 seconds and try again. Within a fifteen (15) minute period, do not try more than five (5) jump-starts in a row. Allow fifteen (15) minutes for the GB40 to cool down before attempting to jump-start again.
  4. Lastly, turn off the device before unplugging the battery clamps. This will ensure your safety.

The charging and storage temperatures of these jump starters are the same, but their operating temperatures might slightly differ. Overall, they operate trouble-free in all specific situations.

Noco Boost GB40 VS Noco GB70 Conclusion:

  • GB40 is an affordable option for small engines.
  • GB70 has large dimension but a tough and durable build.
  • The GB40 is lightweight and portable.
  • GB70 provides a higher peak starting current compared to GB40.
  • Gb70 recharges faster with a 12V output power.
  • The warranties are similar for both the products.