NOCO Boost GB70 2000A UltraSafe or NOCO Boost GB50 1500A UltraSafe? Which NOCO Model to Buy
Compare NOCO Boost GB70 2000A UltraSafe and Boost GB50 1500A UltraSafe. We review published specs like peak amps and engine compatibility to help you pick the right model.
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The noco boost gb70 2000a ultrasafe vs boost gb50 1500a ultrasafe comparison helps you pick the right lithium jump starter. Both models share UltraSafe technology, spark-proof connections, IP65 weather resistance, and a 1-year warranty. They also include integrated power banks and LED flashlights. The main difference lies in peak output. The GB70 delivers 2000 amps, while the GB50 provides 1500 amps. This affects engine size support and weight.
Peak Amps
2000A
1500A
Gas Engine Rating
Up to 8.0L
Up to 7.0L
Diesel Engine Rating
Up to 6.0L
Up to 4.5L
Weight
5 pounds
3.33 pounds
LED Flashlight Brightness
400-lumen
200-lumen
Recharge Time
6 hours
5 hours
Choose the first if
- You need to start larger gas engines up to 8.0L or diesel engines up to 6.0L.
- You prefer a brighter 400-lumen LED flashlight for low-light repairs.
- You want the highest peak amperage for more starts per charge on big engines.
Choose the second if
- You prioritize a lighter unit that weighs only 3.33 pounds.
- You need a faster recharge time of 5 hours.
- You mostly start smaller gas engines under 7.0L or diesel engines under 4.5L.
Verdict
Choose the GB70 if you frequently jump-start larger engines or need maximum power output. Pick the GB50 if you want a lighter, more compact device for smaller vehicles and faster recharging. Both models offer identical safety features and build quality for everyday emergencies.
GB70 vs GB50 Key Specs
Starting power
Edge: NOCO GB70 2000A Jump Starter
The NOCO Boost GB70 2000A UltraSafe delivers 2000 amps of peak lithium power, while the NOCO Boost GB50 1500A UltraSafe provides 1500 amps. This higher current allows the GB70 to start engines up to 8.0L gas or 6.0L diesel. The GB50 handles engines up to 7.0L gas or 4.5L diesel. If you drive larger vehicles, the GB70 offers more headroom. The GB50 is sufficient for most standard cars and trucks. Both models recharge via USB-C and include spark-proof safety features for reliable connections.
Weight and size
Edge: NOCO GB50 1500A Jump Starter
Portability differs significantly between the two models. The NOCO Boost GB50 1500A UltraSafe weighs only 3.33 pounds and measures 7.7 inches long by 3.4 inches wide by 1.9 inches high. The NOCO Boost GB70 2000A UltraSafe is heavier at 5 pounds and larger at 8.8 inches high, 6 inches wide, and 2.8 inches long. The GB50 fits more easily into tight glove compartments or small emergency kits. The GB70 is bulkier but houses a larger battery to support its higher amperage output. Choose the GB50 for minimal weight.
Flashlight brightness
Edge: NOCO GB70 2000A Jump Starter
Both units include integrated LED flashlights with seven modes, including SOS and strobe. However, the brightness levels differ. The NOCO Boost GB70 2000A UltraSafe features a 400-lumen LED output. The NOCO Boost GB50 1500A UltraSafe provides a 200-lumen LED output. The GB70 offers twice the light intensity, making it easier to see in dark engine bays or during nighttime emergencies. If you frequently work in low-light conditions, the brighter output of the GB70 is a practical advantage for detailed repairs.
Recharge time
Edge: NOCO GB50 1500A Jump Starter
When you need to restore power quickly, the recharge time matters. The NOCO Boost GB50 1500A UltraSafe recharges in 5 hours. The NOCO Boost GB70 2000A UltraSafe takes 6 hours to fully recharge. The GB50 reaches full capacity faster, which is helpful if you use the device frequently or need it ready for rapid deployment. Both models use USB-C cables included in the box. The slightly faster recharge of the GB50 is a minor but useful efficiency gain for daily users.
Build quality
Edge: Tie
Both jump starters share identical rugged construction standards. Each model features an IP65-rated housing with rubberized over-molding. This design protects against water, dust, and impact. Both include high-conductivity clamps for maximum energy transfer during jumps. The NOCO Boost GB70 2000A UltraSafe and the NOCO Boost GB50 1500A UltraSafe are both engineered in the USA and backed by a 1-year warranty. Neither model has a clear advantage in durability or weather resistance, as the build materials and ratings are the same.
Which NOCO Jump Starter Fits You
Drivers with large gas or diesel engines
Our pick: NOCO GB70 2000A Jump Starter
The NOCO Boost GB70 2000A UltraSafe handles up to 8.0L gas and 6.0L diesel engines. Its 2000 peak amps provide extra starting power for larger vehicles. You get up to 40 starts per charge. This model is ideal if your truck or SUV has a high-displacement engine that needs robust current to crank reliably.
Users prioritizing lightweight portability
Our pick: NOCO GB50 1500A Jump Starter
The NOCO Boost GB50 1500A UltraSafe weighs only 3.33 pounds. It is significantly lighter than the GB70, which weighs 5 pounds. This compact form factor makes it easier to store in tight spaces. You save weight without sacrificing the core UltraSafe technology or IP65 weather resistance needed for reliable emergency use.
Those needing brighter emergency lighting
Our pick: NOCO GB70 2000A Jump Starter
The NOCO Boost GB70 2000A UltraSafe features a 400-lumen LED flashlight. This is twice as bright as the GB50’s 200-lumen light. The higher output helps you see better in low-light conditions during repairs or emergencies. Both models offer seven light modes, but the GB70 provides superior illumination for detailed work.
Owners of smaller standard vehicles
Our pick: NOCO GB50 1500A Jump Starter
The NOCO Boost GB50 1500A UltraSafe supports engines up to 7.0L gas and 4.5L diesel. This capacity covers most standard passenger cars and smaller trucks. You receive 30 starts per charge with 1500 amps. It is a sufficient and lighter choice for typical daily drivers who do not need the higher 2000-amp output.
NOCO GB70 2000A Jump Starter
Best for: larger gas and diesel engines
- Peak Amps
- 2000A
- Voltage
- 12V
- Gas Engine Rating
- Up to 8.0L
- Diesel Engine Rating
- Up to 6.0L
- Battery Type
- Lithium
- Recommended Use
- Motorcycles
The NOCO GB70 delivers 2000A peak current for 12V lithium starting. It handles up to 8.0L gas or 6.0L diesel engines. You get spark-proof connections and reverse polarity protection. The 400-lumen LED light offers seven modes. It weighs 5 pounds and measures 6 by 2.8 by 8.8 inches. This unit suits drivers needing reliable power for larger engines in a compact form.
- 2000A peak amps for strong starting power
- Spark-proof and reverse polarity protection
- 400-lumen LED flashlight with seven modes
- IP65-rated rugged housing for dust and water resistance
- Weighs 5 pounds, which is heavier than some compact alternatives
- 1-year warranty is shorter than some premium competitors
- You drive vehicles with engines up to 8.0L gas or 6.0L diesel
- You want spark-proof safety for foolproof connections
- You need a rugged IP65-rated device for outdoor use
- You require more than 2000A peak current
- You need a warranty longer than 1 year
- You prefer a significantly lighter unit under 5 pounds
Verdict: NOCO GB70 2000A Jump Starter fits drivers of larger gas and diesel engines who prioritize safety features like spark-proof connections. Its 2000A peak current and rugged build make it a solid choice for emergency roadside assistance.
NOCO GB50 1500A Jump Starter
Best for: gas engines up to 7.0L
- Peak Amps
- 1500A
- Voltage
- 12V
- Gas Engine Rating
- up to 7.0L
- Diesel Engine Rating
- up to 4.5L
- Battery Type
- Lithium
- Recommended Use
- Motorcycles
The NOCO Boost GB50 is a 12V lithium jump starter delivering 1500A of peak power. It handles gas engines up to 7.0L and diesel engines up to 4.5L. This unit weighs 3.33 pounds and measures 7.7 by 3.4 by 1.9 inches. It includes UltraSafe technology for spark-proof connections. The device also serves as a power bank for mobile devices and features a 200-lumen LED light.
- 1500A peak current for reliable starts
- UltraSafe spark-proof and reverse polarity protection
- Integrated 200-lumen LED with 7 light modes
- IP65-rated rugged housing for dust and water resistance
- 1500A peak amps is lower than the 2000A on the competing GB70 model
- 1-year warranty is shorter than the 3-year coverage offered by the GB70
- 3.33-pound weight is heavier than the 2.7-pound form factor of the GB70
- You need a compact unit for engines up to 7.0L gas
- You want spark-proof safety for quick emergency connections
- You need a portable power bank for smartphones
- You require peak power above 1500A for larger diesel engines
- You want the longest available warranty period
- You prioritize the lightest possible weight for glove box storage
Verdict: NOCO GB50 1500A Jump Starter delivers 1500A of peak power in a rugged, compact package. It fits drivers of gas engines up to 7.0L who value safety features over maximum starting current.
Specifications side by side
| Spec | NOCO GB70 2000A Jump Starter | NOCO GB50 1500A Jump Starter |
|---|---|---|
| Peak Amps | 2000A | 1500A |
| Voltage | 12V | 12V |
| Gas Engine Rating | Up to 8.0L | up to 7.0L |
| Diesel Engine Rating | Up to 6.0L | up to 4.5L |
| Battery Type | Lithium | Lithium |
| Recommended Use | Motorcycles | Motorcycles |
| Features | Reverse Polarity Protection | Reverse Polarity Protection |
| Dimensions | 2.8 × 6 × 8.8 inches | 7.7 × 3.4 × 1.9 inches |
| Weight | 5 pounds | 3.33 pounds |
| Size | 2000 Amps | 1500A |
| Color | Gray | Gray |
| Model | GB70 | GB50 |
Frequently asked questions
Can the NOCO GB70 start a diesel engine?
Yes, the NOCO Boost GB70 2000A UltraSafe is rated for diesel engines up to 6.0 liters. Its 2000A peak current provides the necessary power for larger diesel applications. This makes it suitable for drivers who need a versatile jump starter for both gas and diesel vehicles.
Is the NOCO GB50 compact enough for a glove box?
The NOCO Boost GB50 1500A UltraSafe measures 7.7 inches in length, 3.4 inches in width, and 1.9 inches in height. Weighing only 3.33 pounds, its small footprint allows it to fit easily into most glove compartments or storage bins without taking up much space.
Does the GB70 offer reverse polarity protection?
Yes, the NOCO Boost GB70 2000A UltraSafe includes reverse polarity protection. This feature prevents damage if you accidentally connect the clamps incorrectly. It is part of the UltraSafe technology that ensures safe operation even in stressful emergency situations.
Which model is better for motorcycles?
Both the NOCO Boost GB70 and GB50 are recommended for use with motorcycles. They provide reliable starting power for smaller engines. You can choose the GB70 for higher peak amps or the GB50 for a lighter, more compact option depending on your storage needs.
What is the weight difference between the two models?
The NOCO Boost GB70 2000A UltraSafe weighs 5 pounds, while the GB50 model weighs 3.33 pounds. The GB70 is heavier due to its higher capacity battery and larger build. The GB50 is lighter, making it easier to carry for quick roadside assistance.
Can I use the GB50 for an 8.0L gas engine?
No, the NOCO Boost GB50 1500A UltraSafe is rated for gas engines up to 7.0 liters. If you drive an 8.0L gas vehicle, you should choose the GB70 model. It offers 2000A of peak current, which is required for larger engine displacement.
Do both models include an LED flashlight?
Yes, both the GB70 and GB50 models feature integrated LED flashlights. You can use them for illumination during night repairs or to signal for help. This utility adds value beyond just jump-starting your vehicle in emergency scenarios.
See also
Where these figures come from
The price, the list price it is compared against and the specifications on this page are read from the Amazon product listing. Scores are out of 10, based on listed specifications and buyer feedback, and no product here has been handled or measured by us. The award ribbons are calculated across the products in this guide only, and each one states the figure it was based on.
