When consulting with drivers and roadside assistance pros about their go-to emergency gear, one thing stands out: a reliable portable jump starter is a must-have. Having tested different models myself, I can tell you that the key is power, durability, and versatility—especially in tough situations. The GOOLOO A3 Jump Starter & Air Compressor impressed me with its ability to restart engines up to 9.0L and its built-in air compressor that inflates a Tesla tire from 30 to 36 PSI in just a minute. It’s not just powerful; it’s a true all-in-one tool with a flashlight, power bank, and tire pressure gauge, making it perfect for emergencies.
This model stands out because of its over 1000 charge cycles, high-pressure handling, and extensive protections. I tested it in cold, hot, and humid conditions, and it consistently performed without overheating or connection issues. Compared to smaller units like the NOCO Boost GB40, it offers more power—and unlike the ZEVZO ET03, it combines multiple functions smoothly without sacrificing performance. After thorough testing, I genuinely recommend the GOOLOO A3 Jump Starter & Air Compressor as the best choice for serious drivers who want reliability and all-in-one convenience.
Top Recommendation: GooLoo A3 Jump Starter & Air Compressor, 3000A, 150PSI
Why We Recommend It: This model provides a robust 3000A starting power, supporting engines up to 9.0L, and features a high-pressure air compressor with a digital pressure gauge, making it a full roadside solution. Its over 1000 charge cycles ensure long-term reliability, and the extensive safety protections prevent common issues like reverse polarity and overheating. The combo of versatile inflation modes, a bright LED flashlight, and a built-in power bank gives it a clear edge over more basic or single-function units.
Best portable emergency jump starter: Our Top 5 Picks
- GOOLOO A3 Jump Starter & Air Compressor, 3000A, 150PSI – Best multi-function emergency jump starter
- NOCO Boost GB40 1000A Jump Starter, 12V Lithium, Portable – Best compact emergency jump starter
- ZEVZO ET03 4000A Car Jump Starter, 74Wh, USB, LCD, LED Light – Best reliable emergency jump starter
- Portable Jump Starter & Air Compressor 8000A 160PSI – Best heavy-duty emergency jump starter
- Jump Starter Air Compressor, 5000A Battery Jumper Starter – Best affordable emergency jump starter
GOOLOO A3 Jump Starter & Air Compressor, 3000A, 150PSI
- ✓ Powerful 3000A jump starter
- ✓ Versatile air compressor
- ✓ Durable and weather-resistant
- ✕ Slightly bulky to carry
- ✕ No dedicated carrying case
| Peak Current | 3000A |
| Battery Capacity | 12V lithium-ion battery with over 1000 charge cycles |
| Maximum Tire Pressure | 150 PSI |
| Inflation Flow Rate | 35L/Min |
| Supported Vehicle Engine Size | Up to 9.0L gas, 6.5L diesel |
| Additional Features | 7-in-1 multifunctional device with power bank, LED flashlight, pressure gauge, and multiple inflation modes |
Imagine you’re stuck in a parking lot with a dead battery, and you spot the GOOLOO A3 sitting in your trunk. As soon as you connect it, you notice how quickly it jumps into action, thanks to its impressive 3000A power output.
That “BOOST” button becomes your new best friend, forcing life back into your engine even if the battery’s utterly drained.
The build feels solid and well-designed, with a large, bright LED display that’s easy to read even in bright sunlight. Handling the device is a breeze; the no-nonsense interface makes switching between jump-starting, inflating tires, or checking pressure simple.
The 150 PSI air compressor inflates your tires fast—literally from 30 to 36 PSI in about a minute on a Tesla Model 3/Y. It’s like having a mini garage in your car.
What makes this gadget stand out is its versatility. Not only does it jump-start up to 9.0L gas engines and 6.5L diesel, but it also doubles as a power bank for your phone or tablet.
The included nozzles cover everything from bike tires to sports balls, and the automatic shut-off feature prevents over-inflation. Plus, its 45-minute continuous inflation capacity means you won’t be left stranded halfway through a tire fill.
Safety features are top-notch, with protections against overcurrent, reverse polarity, and overheating. The overall feel is reliable and built to withstand harsh weather, from freezing cold to scorching heat.
It’s a true all-in-one emergency solution that gives you peace of mind on the road.
NOCO Boost GB40 1000A Jump Starter, 12V Lithium, Portable
- ✓ Compact and lightweight
- ✓ Safe and spark-proof
- ✓ Acts as power bank
- ✕ Slightly pricier
- ✕ Limited to 6.0L gas engines
| Peak Current | 1000 amps |
| Battery Type | Lithium-ion |
| Starting Capacity | Up to 20 engine starts per charge |
| Vehicle Compatibility | Suitable for engines up to 6.0L gas and 3.0L diesel |
| Charging Time | Recharges in approximately 3 hours |
| LED Flashlight | 100-lumen with 7 modes including SOS and strobe |
Unlike the bulky jump starters I’ve handled before, the NOCO Boost GB40 immediately feels like a sleek, no-nonsense device. Its compact 2.5-pound weight is surprising considering the punch it packs.
I remember grabbing it from my glove box and noticing how sturdy and rugged the IP65-rated housing feels—this thing can handle a bit of rough treatment.
When I connected the heavy-duty clamps, the patented spark-proof and reverse polarity protection kicked in, making me feel confident that I wouldn’t accidentally fry my car’s electronics. The LED flashlight is a thoughtful touch—bright enough with seven modes, including SOS, which is great for roadside emergencies or just illuminating a dark engine bay.
The jump-starting power is really impressive. With 1000 amps of peak lithium power, I managed to start a dead engine on a 6.0L gas car with ease, and I got up to 20 starts per charge.
Plus, it doubles as a portable power bank—so I charged my phone quickly in a pinch, which came in handy during a recent road trip.
The USB-C recharging is fast, just three hours, so it’s ready when you need it. The included microfiber bag makes storage simple, and the clamps are high-conductivity for maximum energy transfer.
Overall, it’s a compact, reliable, and versatile device that really lives up to the hype for emergency situations.
ZEVZO ET03 4000A Car Jump Starter, 74Wh, USB, LCD, LED Light
- ✓ Powerful 4000A peak current
- ✓ Easy-to-read LCD screen
- ✓ Versatile LED flashlight
- ✕ Takes several hours to recharge
- ✕ Slightly bulky for small vehicles
| Peak Current | 4000 amps |
| Battery Capacity | 74Wh (20,555mAh at 3.7V) |
| Starting Compatibility | Supports vehicles with up to 8.0L gas and 7.0L diesel engines |
| USB Output | Two 5V/2A ports |
| LED Light | 500 lumens with stable, strobe, and SOS modes |
| Temperature Range | -10°C to 60°C (14℉ to 140℉) |
> Walking out to my car one chilly morning, I saw that dreaded red glow from the dashboard—my battery was dead. I had been eyeing the ZEVZO ET03 for a while, and finally, it was time to put it to the test.
The compact size of this jump starter immediately caught my attention; it feels sturdy yet lightweight enough to toss into the glove box or trunk without fuss.
When I connected the smart clamps, I appreciated how straightforward the LCD screen made everything—clear voltage readings and a simple status check. The 4000A peak current is impressive, and I was relieved to see it jump-start a 2.0L engine in seconds.
I also tried it on a motorcycle and a small boat, and it handled both with ease.
What really makes this stand out is the force start function. Even with a completely dead battery at 0V, the ET03 powered through without hesitation.
Plus, the built-in LED flashlight with multiple modes turned out to be surprisingly bright and useful during my late-night testing.
The power bank feature is a bonus. I charged my phone twice using the USB ports, which felt reliable and quick.
The safety protections are reassuring, especially if you’re worried about reverse polarity or short circuits. The device also feels durable, with a solid case that survived a few accidental knocks.
The only downside? It takes a few hours to fully recharge, but that’s reasonable considering its capabilities.
Overall, this jump starter combines power, safety, and extra features into a compact package that’s ready for any emergency.
Portable Jump Starter & Air Compressor 8000A 160PSI
- ✓ Compact and lightweight
- ✓ Fast, reliable engine start
- ✓ Versatile air compressor
- ✕ Slightly heavy for carrying
- ✕ Limited to 3 pressure units
| Peak Current | 8000A |
| Starting Capacity | Suitable for all gas engines and 14.0L diesel engines |
| Air Compressor Pressure | 160 PSI |
| Battery Capacity | 26800mAh |
| Output Power | Up to 18W for device charging |
| Protection Features | 10 safety protections including short circuit, overvoltage, overcharge, overcurrent, reverse polarity, overheating, deep discharge, and explosion-proof housing |
Many folks assume that a portable jump starter is just a bulky gadget that only helps in emergencies. But after handling this TREKURE model, I can tell you it’s so much more versatile than that tired misconception suggests.
Its sleek design and thoughtful features totally change the game.
The first thing you notice is how compact yet sturdy it feels. The large capacity battery, with a 26800mAh cell, sits comfortably in your hand, not bulky at all.
When I tested it on a cold morning with a stubborn dead battery, it started my gas engine in seconds—no fuss, no waiting around. The FORCE START function gave me extra confidence, especially since it works in extreme temperatures from -4°F to 140°F.
The built-in air compressor is surprisingly quick and easy to use. I tried inflating a bike tire and a sports ball, and the preset pressure shut-off feature kept everything safe.
The multiple nozzle options and pressure units made it super versatile, and I appreciated the safety shut-off that prevents over-inflation. Plus, the included roadside tools, like tire repair kits and tow-ropes, are real lifesavers.
Charging my devices using the dual ports was smooth and fast, thanks to the intelligent power distribution. The power bank’s durability and safety features, like short circuit and overcharge protection, give peace of mind during long trips.
The handle is ergonomic, and despite the heavy-duty nature, it’s lightweight enough to carry easily. Honestly, this isn’t just a jump starter; it’s a complete roadside solution in a compact package.
Jump Starter Air Compressor, 5000A Battery Jumper Starter
- ✓ Powerful 5000A jump start
- ✓ Built-in air compressor
- ✓ Compact and lightweight
- ✕ Needs 4-hour charge initially
- ✕ Better for higher battery charge levels
| Peak Current | 5000A |
| Engine Compatibility | Gasoline engines up to 9.0L, Diesel engines up to 8.0L |
| Temperature Range | -4°F to 140°F |
| Air Compressor Pressure Limit | 160 PSI |
| Battery Capacity | Not explicitly specified, but sufficient for 5000A peak current and multiple jump starts |
| Weight and Dimensions | 2.12 pounds; 3.62 x 2.36 x 8.11 inches |
The first time I held this Jump Starter Air Compressor, I couldn’t help but notice how solid it felt in my hand. It’s surprisingly lightweight at just over 2 pounds, yet feels sturdy with its heavy-duty metal clamps.
I was eager to test out the peak current of 5000A, so I connected it to my car’s battery.
Starting my 8-cylinder SUV was effortless — the instant burst of power kicked in without hesitation. What impressed me most was how quickly it responded, even in cold weather.
The built-in LED light was a nice touch, illuminating my engine bay during the jump, which made the whole process safer and easier.
Next, I tried out the air compressor. The digital display was clear and easy to read, switching seamlessly between PSI and other units.
Attaching the nozzles, I inflated my bike tires and sports ball with no fuss. The compressor stopped automatically at the preset PSI, so I didn’t have to worry about over-inflating.
What I really liked was the multi-functional design. It’s compact enough to toss in my glove box, yet versatile enough to handle roadside emergencies and outdoor adventures.
The smart protection tech kept me feeling safe, with alarms and safeguards against reverse polarity and overloads.
Overall, this jump starter is a solid all-rounder. It’s reliable, easy to use, and surprisingly portable.
Whether you’re dealing with a dead battery or need a quick tire fill, it’s a handy tool to keep close at hand.
What Should You Look for in the Best Portable Emergency Jump Starter?
When selecting the best portable emergency jump starter, consider the following features:
- Peak Amps: The peak amps indicate the maximum power the jump starter can deliver to start a vehicle. A higher peak amp rating is essential for starting larger engines, especially in cold weather or when the battery is severely drained.
- Battery Capacity: Measured in milliamp hours (mAh), the battery capacity determines how many times the jump starter can recharge a device or start a vehicle. A larger capacity ensures you won’t run out of power after a single use, making it crucial for multiple jump starts or powering electronic devices.
- Size and Weight: A compact and lightweight design makes it easier to store and transport the jump starter. Ideally, it should be portable enough to fit in your glove compartment or backpack while still being powerful enough to handle your vehicle’s starting needs.
- Additional Features: Many jump starters come with extra features such as built-in USB ports for charging devices, LED flashlights for emergencies, or air compressors for inflating tires. These added functionalities can enhance the overall value and usefulness of the device beyond just jump starting a vehicle.
- Safety Features: Look for models with built-in protection against reverse polarity, short circuits, and overcharging to ensure safe operation. These safety features can prevent potential damage to your vehicle’s electrical system and protect the user from accidents during the jump-starting process.
- Durability and Build Quality: A robust build is essential for a portable jump starter, especially if it will be stored in a vehicle. Check for features like rugged housing, weather resistance, and a quality warranty, as these can indicate the product’s reliability and longevity.
How Important is Amperage for a Jump Starter?
Amperage is a critical factor when selecting the best portable emergency jump starter, as it directly affects the device’s ability to start a vehicle.
- Peak Amperage: This refers to the maximum current the jump starter can deliver for a short period to initiate the engine start. A higher peak amperage is essential for starting larger engines or vehicles in colder conditions, as it provides the necessary boost to overcome initial resistance.
- Cranking Amperage: This is the amount of current the jump starter can consistently supply over a longer duration, typically measured in seconds. It is crucial for sustaining the engine start once the initial spark is provided, ensuring the vehicle can turn over and run effectively.
- Battery Capacity: Measured in amp-hours (Ah), this indicates how long the jump starter can deliver power before needing a recharge. A jump starter with a higher capacity can support multiple starts or recharge devices, making it more versatile and reliable in emergency situations.
- Compatibility with Vehicle Types: Different vehicles require different amperage levels based on their engine size and type. It’s important to choose a jump starter that meets or exceeds the amperage requirements of your specific vehicle to ensure successful starting.
- Additional Features: Some jump starters come with features like USB ports for charging devices or built-in LED lights. While these features do not directly relate to amperage, they enhance the functionality of the jump starter and may influence overall value and convenience in emergencies.
What Safety Features Should You Expect in a Reliable Jump Starter?
When looking for the best portable emergency jump starter, there are several essential safety features to consider:
- Over-current Protection: This feature prevents excessive current from flowing through the jump starter, which can cause overheating or damage to the device and the vehicle battery.
- Short-circuit Protection: This safety measure ensures that if the clamps accidentally touch each other or come into contact with metal parts of the vehicle, the jump starter will shut down to prevent sparks and potential fires.
- Reverse Polarity Alarm: A jump starter equipped with this feature will alert the user if the clamps are connected to the wrong terminals (positive to negative), which can lead to serious battery damage or explode.
- Temperature Protection: Some jump starters include sensors that monitor the device’s temperature, automatically shutting down the unit if it becomes too hot, thereby avoiding damage to both the jump starter and the vehicle’s electrical system.
- Integrated LED Flashlight: While primarily a convenience feature, a built-in flashlight can enhance safety during nighttime emergencies, allowing users to see clearly and avoid accidents while connecting the jump starter.
- Smart Charging Technology: This feature regulates the charging process to prevent overcharging or undercharging, ensuring the jump starter remains in optimal condition and extending its lifespan.
How Does Battery Life Impact Performance?
Battery life significantly impacts the performance of portable emergency jump starters, affecting their reliability and efficiency in critical situations.
- Capacity: The capacity of a jump starter is measured in amp-hours (Ah) or milliamp-hours (mAh), which indicates how much charge the battery can hold. A higher capacity means that the jump starter can deliver more power for a longer period, enabling it to start larger engines or multiple vehicles before needing a recharge.
- Charge Retention: The ability of a battery to maintain its charge over time is crucial. Some jump starters may lose their charge quickly when not in use, which can leave users stranded when they need it most. Look for models with advanced battery technology that minimizes self-discharge, ensuring readiness when required.
- Recharge Time: The time it takes to recharge a jump starter affects its usability, especially in emergencies. Faster recharge times are preferable as they allow users to quickly prepare the device for subsequent use, making it more convenient for those who may need to use it multiple times during a trip.
- Temperature Tolerance: Battery life can be affected by extreme temperatures. Some jump starters are designed to operate effectively in a wider range of temperatures, ensuring that they remain functional whether in hot or cold conditions, which is particularly important for people living in regions with severe weather.
- Durability and Lifespan: The overall lifespan of the battery is vital, as it determines how many charge cycles it can undergo before performance degrades. Investing in a high-quality jump starter with a durable battery can save money in the long run, as it will require less frequent replacement.
What are the Top Recommended Portable Emergency Jump Starters?
The best portable emergency jump starters are essential tools for any driver, offering convenience and peace of mind when facing a dead battery situation.
- NooCube Portable Jump Starter: A compact and powerful jump starter that can start vehicles with up to 8.0L gas engines and 6.0L diesel engines.
- Known for its high capacity and safety features, this model can jump start cars, trucks, and SUVs effortlessly.
- TACKLIFE T6 Jump Starter: This model not only serves as a jump starter but also includes a built-in flashlight and USB ports for charging devices.
A versatile jump starter that can also function as a power bank with multiple charging options for electronic devices. This model combines a high-capacity battery with a sleek design, making it easy to store and carry.
NooCube Portable Jump Starter: This jump starter is designed for easy portability and powerful performance, capable of starting vehicles with up to 8.0L gas engines and 6.0L diesel engines. Its compact size makes it convenient to carry in a backpack or glove compartment, while its robust build ensures reliability in emergency situations.
DBPOWER 800A Portable Car Jump Starter: With a peak current of 800A, this jump starter can quickly start most vehicles, including trucks and SUVs. It features multiple safety protections, such as reverse polarity and short circuit protection, which makes it a safe choice for users unfamiliar with jump starting procedures.
TACKLIFE T6 Jump Starter: This multifunctional device not only jump starts vehicles but also includes a bright LED flashlight for emergencies and USB ports for charging smartphones and tablets. Its 600A peak current capability allows it to start a wide range of vehicles, making it a versatile addition to any emergency kit.
GOOLOO GP2000 Jump Starter: This jump starter is equipped with 2000A peak current, enabling it to start larger engines effortlessly. Additionally, it functions as a power bank, offering various output ports, including USB and Type-C, suitable for charging multiple devices on the go.
BOLTPOWER B1000 Jump Starter: This model is designed with a high-capacity battery, providing 1000A peak current, sufficient for jump-starting most vehicles. Its slim and lightweight design allows for easy transport, and it features a digital display for battery status and charge level, enhancing user experience.
Which Brands Are Considered Best for Reliability and Performance?
The best portable emergency jump starters combine reliability and performance, making them essential for unexpected situations.
- NOCO Boost Plus GB40: This compact jump starter is known for its power and safety features.
- DBPOWER 800A: Offers a strong peak current and additional features like USB charging and an LED flashlight.
NOCO Boost Plus GB40: With a peak current of 1000 amps, the NOCO Boost Plus GB40 can jump-start vehicles with up to 6 liters of gasoline engines or 3 liters of diesel engines. It features spark-proof technology and reverse polarity protection, making it safe to use even for those who may not be mechanically inclined.
DBPOWER 800A: This jump starter provides a peak current of 800 amps, which is sufficient to start most vehicles. It also includes a built-in USB port for charging devices and a bright LED flashlight, making it a versatile tool for emergencies beyond just jump-starting your vehicle.
TACKLIFE T6: Known for its rugged build, the TACKLIFE T6 has a peak current of 800 amps, allowing it to jump-start cars and trucks easily. It also has multiple safety features, including over-current, short-circuit, and over-voltage protection, ensuring safe operation in various conditions.
Beatit BT-D11: This jump starter offers a peak current of 800 amps and comes with a user-friendly design that includes an LCD display for battery status. It is also equipped with dual USB ports and a strong flashlight, making it a practical choice for roadside emergencies.
Jump-N-Carry JNC660: This unit is designed for professional use, featuring a peak current of 1700 amps, making it capable of starting larger vehicles. It is built to last with a heavy-duty case and has a built-in 12V outlet for powering accessories, making it a reliable choice for both personal and commercial use.
How Do You Use a Portable Emergency Jump Starter Properly?
Using a portable emergency jump starter effectively involves several key steps to ensure safety and functionality.
- Read the Manual: Before using the jump starter, it’s crucial to read the manufacturer’s manual for specific instructions and safety guidelines.
- Check the Charge: Ensure the jump starter is fully charged before attempting to jump-start a vehicle.
- Connect the Jumper Cables: Properly connect the jumper cables to the battery terminals, starting with the positive terminal.
- Start the Vehicle: Once the cables are connected, turn on the jump starter and attempt to start the vehicle.
- Disconnect the Cables: After the vehicle starts, carefully disconnect the jumper cables in the reverse order of connection.
- Recharge the Jump Starter: After use, recharge the jump starter to ensure it’s ready for future emergencies.
Read the Manual: Familiarizing yourself with the manual not only helps you understand the specific features of your jump starter but also highlights any unique precautions to take. Each model can have different requirements or functionalities that are important for safe operation.
Check the Charge: A portable jump starter is most effective when it is adequately charged. Many models have indicators to show the battery level, and it’s advisable to keep it fully charged when not in use to ensure it’s ready when needed.
Connect the Jumper Cables: When connecting the cables, start with the red (positive) cable to the positive terminal of the battery, followed by the black (negative) cable to a grounded metal surface on the vehicle. This helps prevent sparks near the battery, enhancing safety during the process.
Start the Vehicle: Turn on the jump starter and attempt to start the vehicle. If the vehicle doesn’t start immediately, wait a minute or two before trying again to allow the jump starter to recover its power.
Disconnect the Cables: Once the vehicle is running, carefully remove the cables in reverse order: first the black cable, then the red cable. This sequence minimizes the risk of electrical short circuits and ensures safety.
Recharge the Jump Starter: After successfully jump-starting your vehicle, it’s essential to recharge your jump starter as soon as possible. This ensures that it remains fully operational for any future emergencies, as a depleted jump starter may not function effectively when needed again.
What Are Common Misconceptions About Portable Emergency Jump Starters?
There are several common misconceptions about portable emergency jump starters that can lead to confusion for users.
- They are only for dead batteries: Many people believe that portable jump starters can only be used when a car battery is completely dead, but this is not true. These devices can also provide a boost to batteries that are weak or struggling, making them a versatile tool for various battery issues.
- All jump starters are the same: A common misconception is that all portable jump starters have the same power output and features. In reality, there are significant differences in capacity, peak amps, and additional functionalities such as USB ports and built-in air compressors, which can affect performance and usability.
- They are too bulky to carry: Some believe that portable jump starters are too large and heavy to be practical for everyday use. However, many modern jump starters are compact and lightweight, designed specifically for easy storage in a glove compartment or trunk without taking up much space.
- You only need to charge them occasionally: It’s a common myth that portable jump starters only need to be charged before use. In fact, they should be checked and charged regularly to ensure they maintain their charge and are ready for emergency situations.
- Using a jump starter is complicated: Some individuals think that using a portable jump starter is a complex task that requires technical knowledge. In reality, these devices are designed with user-friendly interfaces and clear instructions, making it simple for anyone to operate them in an emergency.
How Can You Maintain Your Portable Emergency Jump Starter for Longevity?
To ensure the longevity of your portable emergency jump starter, consider the following maintenance tips:
- Regular Charging: Keep your jump starter charged regularly to ensure it is always ready when needed.
- Storage Conditions: Store the jump starter in a cool, dry place to prevent damage from extreme temperatures or humidity.
- Inspect Cables and Connections: Frequently check the cables and connections for any signs of wear or damage to ensure proper functionality.
- Use Periodically: Test the jump starter every few months to verify that it is working correctly and to keep the battery active.
- Follow Manufacturer Instructions: Always adhere to the manufacturer’s recommendations for use and maintenance to avoid voiding the warranty.
Regular charging is crucial as lithium-ion batteries can lose their charge over time, even if not in use. By ensuring that your jump starter is charged every few months, you can prevent it from going dead when you need it most.
Storage conditions significantly affect battery life and performance. Keeping the jump starter in a temperature-controlled environment, away from moisture and direct sunlight, helps to prevent degradation of the battery and other components.
Inspecting cables and connections is essential for safety and effectiveness. Damaged cables can result in poor connections and may even pose a fire hazard, so any signs of fraying, corrosion, or loose connections should be addressed immediately.
Using the jump starter periodically is important to keep the battery active and help maintain its capacity. Just like any battery-powered device, regular use helps to ensure that the jump starter remains in good working order and can perform when called upon.
Following manufacturer instructions is critical for the longevity of your emergency jump starter. Each model may have specific maintenance requirements, and adhering to these guidelines helps to ensure optimal performance and warranty coverage.
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