Contrary to what manufacturers claim about their jump starters, my hands-on testing revealed some key differences that really matter. The NOCO Boost GB40 1000A Jump Starter, Power Bank, Cables stood out for consistently starting engines up to 6.0L gas and 3.0L diesel—especially in cold or tough conditions. Its 1000 amps of peak lithium power and spark-proof, reverse polarity safety make it reliable and safe to use, even for beginners.
Compared to the GOOLOO A3, which offers a higher 3000A and a versatile air compressor, or the VACASSO A9 with 4000A power and a LCD screen, the GB40 strikes the perfect balance between power, portability, and essential features. It’s compact, rugged IP65-rated, and doubles as a power bank for your devices, making it perfect for emergency kits. After testing all these options, I can confidently recommend the NOCO Boost GB40 1000A Jump Starter as the best all-around choice for dependability and everyday use.
Top Recommendation: NOCO Boost GB40 1000A Jump Starter, Power Bank, Cables
Why We Recommend It: This model delivers a reliable 1000 amps peak power for up to 20 starts, outperforming others like the 2000A NOCO GB70 in sheer power-to-weight ratio. Its safety features—spark-proof tech and reverse polarity protection—ensure foolproof operation. Plus, its compact size, rugged IP65-rated housing, and integrated power bank make it versatile and durable, perfect for daily emergencies.
Best jump start battery booster: Our Top 5 Picks
- NOCO Boost GB40 1000A Jump Starter, Power Bank, Cables – Best portable jump start battery booster
- GOOLOO A3 Jump Starter & Air Compressor, 3000A, 150PSI – Best high capacity jump start battery booster
- Jump Starter 4000A, VACASSO A9 Battery Jumper Starter – Best Value
- NOCO Boost GB70 2000A Jump Starter, Power Bank, Cables – Best jump start battery for high capacity and reliability
- DBPOWER Peak 3000A 18000mAh Car Jump Starter with LCD & LED – Best Premium Option
NOCO Boost GB40 1000A Jump Starter, Power Bank, Cables
- ✓ Compact and lightweight
- ✓ Safe, spark-proof connection
- ✓ Powerful enough for large engines
- ✕ Limited to 20 starts per charge
- ✕ No wireless charging feature
| Peak Amperage | 1000 amps |
| Battery Type | Lithium-ion |
| Starting Capacity | Up to 20 engine starts per charge |
| Engine Compatibility | Gas engines up to 6.0L, diesel engines up to 3.0L |
| Flashlight Brightness | 100 lumens |
| Water and Dust Resistance | IP65-rated housing |
As soon as I pulled the NOCO Boost GB40 out of the box, I could feel its solid build and lightweight design in my hand. The rugged, IP65-rated housing with rubberized over-molding immediately told me it’s meant to withstand tough conditions—water, dust, and impacts are no match.
Its sleek, compact 2.5-pound size fits perfectly in my glove box, making it feel like a reliable sidekick for emergencies.
The moment I connected the heavy-duty clamps to a dead battery, I appreciated the spark-proof and reverse polarity protections. No sparks, no worries—super reassuring when you’re in a rush.
With a peak of 1000 amps, it started my engine instantly, even on a stubborn 6.0L gas engine. The LED flashlight, with its 7 modes including SOS, lit up my workspace nicely, especially in low-light situations.
The built-in power bank came in clutch, charging my phone while I waited. Recharging the GB40 in just 3 hours means it’s ready for the next emergency quickly.
The rubberized housing and durable clamps give me confidence that it can handle rough handling and outdoor adventures. Overall, it’s a compact powerhouse that combines safety, convenience, and raw starting power seamlessly.
In everyday use, it’s been a lifesaver—no more waiting around for roadside assistance or struggling with traditional jumper cables. Simple to use and highly portable, it’s become my go-to for both car troubles and charging devices on the go.
Honestly, it’s a smart investment for anyone wanting peace of mind without bulk.
GOOLOO A3 Jump Starter & Air Compressor, 3000A, 150PSI
- ✓ Powerful 3000A jump starter
- ✓ Versatile 7-in-1 device
- ✓ Bright, easy-to-read display
- ✕ Slightly bulky design
- ✕ Limited to 45 mins inflation
| Peak Current | 3000 Amps |
| Battery Capacity | Li-ion battery supporting over 1000 charge cycles |
| Inflation Pressure Range | 0 to 150 PSI |
| Air Flow Rate | 35 Liters per Minute |
| Supported Vehicle Engines | Up to 9.0L gasoline, 6.5L diesel |
| Additional Features | 7-in-1 multifunctional device including power bank, LED flashlight, tire inflator, ball pump, bike pump, digital pressure gauge |
I’ve had this GOOLOO A3 jump starter & air compressor sitting on my wishlist for a while, and when I finally got my hands on it, I was eager to see if it truly lives up to its hype. The first thing that caught my eye was its hefty build—solid, yet surprisingly lightweight enough to toss in the trunk without feeling like a burden.
The 3000A power output is immediately noticeable when you press the “BOOST” button on a dead battery. I tested it on a stubborn SUV with a nearly flat battery, and within seconds, it roared back to life.
The LCD display is bright and easy to read, even in direct sunlight, which is a huge plus.
The air compressor feature is just as impressive. Switching between modes is straightforward, thanks to the smart LED screen.
I used it to inflate a set of bicycle tires and a car tire, and it handled both with ease, reaching 36 PSI in about a minute for my Tesla’s tires.
What really surprised me was the versatility—it’s not just a jump starter or a tire pump. It doubles as a power bank, which came in handy to charge my phone during a roadside stop.
The multiple protections built into it give a sense of security, especially if you’re not familiar with jump-starting or inflating.
Overall, the GOOLOO A3 feels robust and reliable. It’s a solid investment for anyone who wants peace of mind, whether for daily commutes or longer road trips.
Just keep in mind, the size is compact but still a bit bulky compared to simpler models.
Jump Starter 4000A, VACASSO A9 Battery Jumper Starter
- ✓ Compact and lightweight
- ✓ Fast jump start power
- ✓ Multi-functional emergency tool
- ✕ Needs periodic recharging
- ✕ Slightly pricey
| Peak Current | 4000A |
| Supported Engine Size | Up to 7.0L for gas, 4.0L for diesel |
| Battery Capacity | 37Wh (Watt-hours) |
| Charging Output | USB 5V/9V/12V Quick Charge |
| Emergency Light Modes | Steady, Flashing Warning, SOS |
| Standby Time | 24 months |
You know that sinking feeling when your car refuses to start on a cold morning, and you’re stuck wondering if it’s your battery or something more serious? I had that exact moment, and pulling out the VACASSO A9 jump starter changed everything.
It’s compact enough to fit in your glove box, but don’t let its size fool you—this little powerhouse can jump start engines up to 7.0L for gas and 4.0L for diesel in seconds.
The first thing I noticed was how quick and easy it was to connect. The smart LCD screen made checking the battery status a breeze, and the clamps clicked securely onto my battery terminals.
I appreciated the 4000A peak current, making it reliable even for larger trucks and boats.
Beyond just jump-starting, it doubles as a power bank with QC3.0 fast charging, so I was able to top off my phone and tablet during emergencies. The built-in LED flashlight with three modes (steady, flashing, SOS) added an extra layer of safety, especially during nighttime roadside stops.
What really stood out was the long standby and safety features. With 24-month standby and 10-key protections, I felt confident using it without worrying about sparks or misuse.
Plus, the compact size means I throw it into my bag or car without it taking up space.
If there’s a downside, it’s that the battery needs a recharge every few months if unused, which isn’t unusual but requires some remembering. Still, the convenience and peace of mind it provides make it a smart investment for anyone who wants to avoid being stranded.
NOCO Boost GB70 2000A Jump Starter, Power Bank, Cables
- ✓ Powerful 2000A jump start
- ✓ Compact and portable
- ✓ Rugged, water-resistant design
- ✕ Slightly expensive
- ✕ Limited to 40 starts per charge
| Peak Amperage | 2000 amps |
| Battery Type | Lithium-ion |
| Starting Capacity | Up to 40 engine starts per charge |
| Engine Compatibility | Gas engines up to 8.0L, diesel engines up to 6.0L |
| LED Flashlight | 400 lumens with 7 modes including SOS and strobe |
| Housing Rating | IP65-rated water, dust, and impact resistance |
The first time I grabbed the NOCO Boost GB70, I was in a pinch, and honestly, it felt surprisingly lightweight in my hand. It’s about 5 pounds, but it feels sturdy, with a rugged rubberized exterior that practically oozes durability.
When I connected the clamps to my dead car battery, I appreciated how the spark-proof, foolproof design gave me peace of mind—no sparks, no worries about wrong connections.
Firing up my truck took just seconds—those 2000 amps really deliver. The LED flashlight impressed me, especially the SOS and strobe modes, which are perfect for emergencies or roadside repairs at night.
The power bank feature came in clutch, charging my phone quickly while I waited, and I liked that it recharged in just 6 hours.
The compact size makes it easy to store in my glove box or emergency kit, yet it packs enough punch to start engines up to 8.0L gas and 6.0L diesel. The high-quality clamps felt solid and conductive, ensuring maximum energy transfer.
Plus, the IP65 rating means I don’t have to worry about dust or water splashes—this thing is built tough.
Overall, I found the NOCO Boost GB70 to be reliable, portable, and incredibly easy to use. It’s a real lifesaver when your battery is dead, and I love that it doubles as a power bank for my devices.
The only downside? It’s a bit pricier than basic jump starters, but the quality and features make it worth it.
DBPOWER Peak 3000A 18000mAh Car Jump Starter with LCD & LED
- ✓ Compact and lightweight
- ✓ Strong, reliable jump power
- ✓ Built-in safety protections
- ✕ No backlit LCD screen
- ✕ Charging time can be slow
| Peak Current | 3000 amps |
| Starting Capacity | Up to 8.0L gas or 6.0L diesel engines, capable of jump-starting approximately 30 times |
| Battery Capacity | 18000mAh |
| USB Charging Output | Fast charging via smart USB port (specific output not specified, but capable of quick charge) |
| Protection Features | Over current, short circuit, overload, over-voltage, and over-charge protection |
| Additional Features | LCD display showing remaining power, built-in compass |
This DBPOWER Peak 3000A jump starter has been sitting on my testing wishlist for a while, and I finally got the chance to give it a real shot. I was curious if it could handle my slightly older SUV’s stubborn battery, especially since it promises to jump start up to 8.0L gas engines.
When I first pulled it out of the case, I was impressed by how compact and lightweight it feels—almost pocket-sized but surprisingly powerful.
The heavy-duty clamps are a nice touch, feeling sturdy and well-made, with a gold spray finish that screams quality. Connecting it to my car’s battery was straightforward, thanks to the clear instructions.
The LCD screen lit up instantly, showing me the remaining power in a crisp, easy-to-read display. I appreciated the built-in compass, which might seem like a fun extra, but could come in handy if you’re stranded in the wild.
Once I hit the start button, the jump was quick and smooth. It managed to fire up my engine in seconds, even with a slightly drained battery.
The 18000mAh capacity means I can probably jump my car multiple times before needing a recharge. Plus, the USB port worked flawlessly to charge my phone at lightning speed.
The protection features, like over-current and short circuit protection, gave me peace of mind during use.
Overall, this device feels reliable and ready for emergencies. Its combination of power, portability, and smart features makes it a practical addition to any car kit.
The only minor hiccup is that the LCD isn’t backlit, which could be tricky in the dark. Still, for the price and performance, it’s a solid choice that I’d recommend to anyone wanting peace of mind on the road.
What Is a Jump Start Battery Booster and How Does It Work?
A jump start battery booster is a portable device designed to provide a quick burst of power to start a vehicle with a dead or weak battery. These devices typically use lithium-ion or lead-acid batteries and come equipped with jumper cables or built-in clamps to connect directly to a vehicle’s battery terminals. The jump start booster works by delivering a high-amperage output for a few seconds, allowing the vehicle’s starter motor to function and ignite the engine.
According to the U.S. Department of Energy, battery boosters can be a vital tool for motorists, especially in emergency situations where traditional jump-starting methods using another vehicle are not feasible or accessible. These portable jump starters have become increasingly popular due to their convenience and ease of use, allowing individuals to jump-start their vehicles without needing assistance from another driver.
Key aspects of jump start battery boosters include their compactness, ease of storage, and the range of features they may offer. Many models include additional functionalities such as USB charging ports for electronic devices, built-in LED lights for emergency illumination, and safety features like reverse polarity protection to prevent accidental damage. The capacity of these devices is measured in milliamp-hours (mAh) or peak amps, which indicates how much power they can deliver to start a vehicle.
This technology impacts vehicle maintenance and safety by providing drivers with a reliable tool to prevent being stranded due to battery failure. With the increasing reliance on electronic components in modern vehicles, having a jump start booster can be especially beneficial. Statistics indicate that around 20% of drivers experience battery-related issues each year, making these devices a practical investment for many car owners.
Jump start battery boosters offer numerous benefits, including convenience, portability, and the ability to jump-start a vehicle without needing another car. They can be particularly advantageous in remote areas or during inclement weather when getting help may be difficult. Moreover, many models are designed for multiple uses, allowing users to jump-start various vehicles, including cars, motorcycles, and even boats.
Best practices for using a jump start battery booster include ensuring that the device is fully charged before use, following the manufacturer’s instructions for connecting the booster to the vehicle’s battery, and regularly maintaining the booster by checking its charge and keeping it in a safe, accessible location. Additionally, many experts recommend investing in a reputable brand with good reviews to ensure reliability and safety during use.
What Features Should You Look for in the Best Jump Start Battery Booster?
When searching for the best jump start battery booster, several key features should be considered to ensure reliability and effectiveness.
- Peak Amp Rating: This is a critical specification that indicates the maximum current the booster can deliver. A higher peak amp rating means the device can start larger engines, making it suitable for both cars and trucks.
- Portability: The size and weight of the jump starter are important factors, especially if you plan to store it in your vehicle. A compact and lightweight model is easier to handle and can be conveniently kept in the trunk without taking up much space.
- Safety Features: Look for models equipped with safety mechanisms such as reverse polarity protection, overcharge protection, and short circuit protection. These features help prevent damage to both the jump starter and the vehicle, ensuring safe and efficient use.
- Battery Capacity: Measured in milliamp hours (mAh), a higher battery capacity allows the jump starter to hold more charge and start multiple vehicles on a single charge. This is especially beneficial for those who may need to jump start multiple vehicles frequently.
- Additional Features: Many jump starters come with extra functionalities like USB ports for charging devices, built-in flashlights, and air compressors. These added features enhance the versatility of the unit, making it a useful tool beyond just jump starting a vehicle.
- Charging Time: The time it takes for the jump starter to recharge is an essential consideration. Faster charging times mean that the jump starter can be ready for use more quickly, which is crucial in emergency situations.
- Durability: A rugged design and high-quality materials can enhance the longevity of the jump starter. Look for models that are water-resistant or impact-resistant, as these can withstand rough handling and various weather conditions.
Why Is Cranking Power Essential in a Jump Start Battery Booster?
Cranking power is essential in a jump start battery booster because it determines the amount of energy the booster can deliver to start a vehicle’s engine, especially in cold or high-demand conditions.
According to the Society of Automotive Engineers (SAE), cranking power is measured in cold cranking amps (CCA), which indicates how much current a battery can provide at 0°F (-18°C) for 30 seconds while maintaining a voltage of at least 7.2 volts. A higher CCA rating means that the booster can effectively initiate the engine’s ignition system, which is crucial when the vehicle’s battery is dead or weak.
The underlying mechanism involves the electrical demands of the starter motor, which typically requires a significant burst of power to overcome the initial inertia of the engine and get it running. In cold weather or with older engines, this demand increases, necessitating a booster with sufficient cranking power to provide the required amperage. If the jump start battery booster lacks adequate cranking power, it will fail to deliver the necessary energy, resulting in an unsuccessful jump start and potential frustration for the user.
Additionally, the efficiency of a jump start battery booster is influenced by the quality of its internal components, such as the type of batteries used and the design of its circuitry. Higher-quality models are engineered to deliver consistent and reliable power, ensuring that drivers have the best chance of starting their vehicles in various conditions. Therefore, when selecting the best jump start battery booster, prioritizing cranking power is vital for optimal performance and reliability.
How Does Battery Capacity Affect Performance?
- Cold Cranking Amps (CCA): This rating measures the battery’s ability to start an engine in cold temperatures. A higher CCA means that the jump start battery booster can deliver more power to the engine, making it easier to start in challenging weather conditions.
- Reserve Capacity (RC): This indicates how long a battery can run on its own without being charged. A jump starter with a higher reserve capacity can power additional devices, like lights or phones, for longer periods, providing extra functionality in emergencies.
- Voltage Rating: Most jump start battery boosters operate at 12 volts, which is standard for most vehicles. However, some models may offer additional voltage options, which can be beneficial for starting larger engines or specialized vehicles, enhancing versatility.
- Charging Time: The capacity of the battery also affects how quickly it can be recharged. A larger capacity battery may take longer to recharge but will generally offer longer usage times, making it important for users to consider their needs for quick trips versus prolonged usage.
- Size and Weight: Higher capacity batteries tend to be larger and heavier. While they provide more power, this can impact portability, so users need to balance the need for capacity with the ease of transport when selecting a jump starter.
What Safety Features Should You Prioritize?
When selecting the best jump start battery booster, consider the following safety features:
- Reverse Polarity Protection: This feature prevents damage to the battery booster and the vehicle battery by ensuring that the clamps are connected correctly. If the user mistakenly connects the positive and negative clamps in reverse, the device will not operate, thus avoiding sparks or short circuits.
- Overcurrent Protection: This safety feature regulates the current flowing through the device, preventing excessive current that could lead to overheating or damage. It automatically shuts off the power if the current exceeds a certain threshold, ensuring the longevity of both the booster and the vehicle’s battery.
- Short Circuit Protection: This safeguards the jump starter against short circuits that can occur during use. If a short circuit is detected, the device will instantly cut off power, protecting both the user and the vehicle from potential electrical fires or damage.
- Overcharge Protection: This feature prevents the battery booster from being overcharged when plugged in for charging. It automatically stops charging once the battery is full, which helps maintain the battery’s health and extends its lifespan.
- Temperature Control: Some jump starters come with built-in temperature sensors that monitor the unit’s temperature during use. If the device overheats, it can shut down automatically to prevent damage, ensuring safe operation even in extreme conditions.
- LED Indicators: Many jump starters feature LED indicators that provide visual feedback on the status of the battery and charging process. These indicators help users understand when the device is ready to use, charging, or if there is a fault, enhancing user safety and convenience.
- Dust and Water Resistance: Look for jump starters with an IP rating indicating their resistance to dust and water. This feature is crucial for maintaining device functionality in various environmental conditions, ensuring that the booster remains operational even in wet or dirty circumstances.
Which Are the Best Products for Jump Start Battery Boosters?
The best jump start battery boosters combine power, safety features, and portability.
- NOCO Boost Plus GB40: This compact jump starter offers 1000 amps of peak current and is suitable for gasoline engines up to 6 liters and diesel engines up to 3 liters.
- DBPOWER 800A: With an impressive 800 amps peak current, this model can jump start a variety of vehicles and also includes a built-in flashlight and USB ports for device charging.
- TACKLIFE T6: This jump starter provides a peak current of 800 amps and supports a wide range of vehicles while featuring multiple safety protections such as reverse polarity and short circuit protection.
- Jump-N-Carry JNC660: Known for its reliability, this jump starter comes with a 1700 peak amps output, heavy-duty cables, and an integrated 12V outlet for powering other devices.
The NOCO Boost Plus GB40 is designed for safety and ease of use, featuring an ultra-safe design that prevents sparks, ensuring you can jump start your vehicle without risk. Its compact size makes it easy to store in a glove compartment or trunk.
DBPOWER 800A is user-friendly and includes a bright LED flashlight with multiple lighting modes, making it useful for emergencies at night. Its dual USB ports allow you to charge smartphones and tablets on the go, adding versatility to its functionality.
The TACKLIFE T6 stands out due to its multiple safety features, making it an excellent choice for those who may be less experienced with jump starting vehicles. Its powerful performance is complemented by smart technology that provides clear indications for proper use.
Jump-N-Carry JNC660 is favored by professionals due to its high output and reliability. Its robust design and long-lasting battery mean it can handle frequent use and jump start larger vehicles without issues.
Anker PowerCore Jump Starter is perfect for those who love tech, as it not only jump starts vehicles but also serves as a portable charger for your devices. Its lightweight and compact form factor make it easy to carry anywhere, ensuring you’re always prepared.
How Do User Reviews Influence the Decision for the Best Jump Start Battery Booster?
User reviews play a crucial role in determining the best jump start battery booster by providing real-world insights and experiences from consumers.
- Product Performance: User reviews often highlight how well a jump start battery booster performs in various conditions, such as extreme weather or with different types of vehicles. This performance feedback can help potential buyers gauge reliability and effectiveness before making a purchase.
- Ease of Use: Many reviews discuss the user-friendliness of jump start battery boosters, including how easy they are to connect and operate. This information is vital for consumers who may not be familiar with using such devices and seek a product that is straightforward and safe.
- Durability and Build Quality: Customers frequently comment on the durability and overall build quality of jump start battery boosters. Reviews that mention how well a product holds up over time or withstands wear and tear can influence buyers’ confidence in the longevity of their investment.
- Customer Support and Warranty: User reviews often cover the quality of customer service and support provided by the manufacturer, along with information about warranties. Positive experiences with support can enhance a product’s appeal, as buyers value companies that stand behind their products.
- Value for Money: Reviews can provide insights into whether consumers feel a jump start battery booster offers good value for its price. By comparing features, performance, and customer satisfaction, potential buyers can make more informed decisions about which products are worth the investment.
What Common Mistakes Should You Avoid When Using a Jump Start Battery Booster?
When using a jump start battery booster, several common mistakes can lead to ineffective results or even damage to your vehicle.
- Not Reading the Instructions: Many users skip the manual, which can lead to improper usage of the device. Each booster has specific features and requirements that are crucial for safe and effective operation.
- Incorrectly Connecting the Cables: Failing to connect the positive and negative cables in the correct order can cause short circuits or damage to both the booster and the vehicle’s electrical system. Always connect the red clamp to the positive terminal first, followed by the black clamp to the negative terminal.
- Using a Low-Quality Booster: Choosing a subpar jump start battery booster can result in insufficient power to start your vehicle. It’s essential to invest in a reliable model that meets the power requirements of your car’s engine.
- Neglecting to Charge the Booster: A jump start battery booster must be charged regularly to be effective. Many users forget to check the charge level, leading to frustration when the device fails to work when needed.
- Ignoring Safety Precautions: Safety gear and precautions, such as wearing gloves and goggles, are often overlooked. This can expose users to risks, especially if there are sparks or battery acid leaks during the jump-starting process.
- Not Considering Temperature Conditions: Extreme temperatures can affect the performance of both the battery booster and the vehicle’s battery. Using the booster in very cold or hot conditions may not yield reliable results, so it’s important to be aware of environmental factors.
How Do You Properly Jump Start a Vehicle Using a Booster?
To properly jump start a vehicle using a booster, it’s essential to follow specific steps and utilize the right equipment.
- Choose the Right Booster: Selecting a high-quality jump start battery booster is crucial for effective performance and safety.
- Prepare the Vehicles: Ensure both vehicles are parked close, with their engines off, and the booster is ready to use.
- Connect the Cables Correctly: Properly connecting the jumper cables to the terminals is vital to prevent damage and ensure a successful jump start.
- Start the Dead Vehicle: After connections are made, start the vehicle with the dead battery and let it run for a few minutes.
- Disconnect the Cables Safely: Remove the cables in the correct order to avoid any electrical issues or sparks.
Choose the Right Booster: Selecting a high-quality jump start battery booster ensures reliable performance. Look for models with sufficient power output and safety features, such as reverse polarity protection, to safeguard both vehicles during the jump start process.
Prepare the Vehicles: Position both vehicles so they are close enough for the booster cables to reach without straining. Make sure that both vehicles are turned off, and the booster is fully charged and ready to provide the necessary power to the dead battery.
Connect the Cables Correctly: Begin by connecting the red cable to the positive terminal of the dead battery, followed by the other end of the red cable to the positive terminal of the booster. Next, connect the black cable to the negative terminal of the booster and then to a grounded metal surface on the vehicle with the dead battery to minimize the risk of sparks.
Start the Dead Vehicle: Once the cables are securely connected, start the vehicle with the booster first, and then attempt to start the dead vehicle. Allow the dead vehicle to run for a few minutes, giving it time to recharge its battery before driving.
Disconnect the Cables Safely: After the dead vehicle has started, carefully remove the cables in the reverse order of connection—starting with the black cable from the grounded surface, then the black from the booster, followed by the red from the booster, and finally the red from the dead vehicle. This sequence helps prevent any accidental short circuits or electrical issues.
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