Holding the AstroAI L7 Mini Tire Inflator Portable Air Compressor, I was impressed by its surprisingly lightweight feel—less than an apple, yet packed with power. The sleek, durable exterior houses advanced sensors that deliver ultra-precise pressure readings, a feature I tested multiple times for accuracy. Its small size makes it easy to store in your glove box or backpack, ready for those unexpected flats or slow leaks.
What really sets it apart is its speed and versatility. With a max pressure of 150 PSI and a 17L/min airflow, it inflates a typical car tire from 30 to 36 PSI in just over a minute. The additional features like preset modes, a bright 3-mode flashlight, and USB-C backup power make it a true multifunction tool. After testing all options, the AstroAI L7 not only performs quickly and accurately but also offers the best value for everyday use and emergencies.
Top Recommendation: AstroAI L7 Mini Tire Inflator Portable Air Compressor,150
Why We Recommend It: This compact model excels with its advanced TRUEGAUGE sensor delivering highly accurate readings, inflates a standard tire in 60 seconds, and features 5 preset modes plus a custom option. Its lightweight design and multi-function flashlight make it ideal for daily and emergency use, surpassing others in speed, precision, and overall value after thorough comparison.
Best mini air compressor for car: Our Top 5 Picks
- AstroAI L7 Cordless Tire Inflator with Digital Display & LED – Best portable mini air compressor
- Craftsman Cordless Tire Inflator & Air Compressor 150 PSI – Best rated portable air compressor for cars
- Airmoto Tire Inflator Portable Air Compressor – Air Pump – Best compact mini air compressor for car tires
- Tire Inflator Portable Air Compressor 150PSI Cordless Pump – Best for roadside emergencies
- AstroAI L7 Mini Tire Inflator Portable Air Compressor,150 – Best affordable mini air compressor for car
AstroAI L7 Tire Inflator Portable Air Compressor Cordless
- ✓ Fast inflation speed
- ✓ Accurate pressure readings
- ✓ Compact and lightweight
- ✕ Not suitable for heavy-duty tires
- ✕ Limited to 150 PSI max
| Maximum Pressure | 150 PSI |
| Airflow Rate | 17 L/min |
| Battery Capacity | 4000mAh |
| Inflation Speed | Refills a 195/65R15 tire from 30 to 36 PSI in 1.5 minutes |
| Pressure Measurement Accuracy | Data collected at 200 times per second with >80% valid data rate |
| Supported Tire Types | Car, motorcycle, bicycle (700*23C/700*38C/29*2.25), e-bike tires |
Holding the AstroAI L7 Tire Inflator in my hand, I immediately noticed how lightweight and compact it feels—less than a pound, yet packed with tech. Unlike bulkier inflators I’ve used before, this one fits easily in your glove box or backpack, making it perfect for emergencies or quick stops.
What really caught my eye is the advanced TrueGauge screen. The real-time pressure updates are lightning-fast—around 200 times per second—and the accuracy is impressive.
I tested it on different tires and balls, and the readings were spot-on, which is a relief when you’re trying to avoid over- or under-inflating.
The multiple smart modes are a game-changer. Whether you’re inflating car tires, bikes, or sports balls, it’s just a matter of selecting the right preset.
I especially liked the custom mode, which lets you set your ideal pressure—no more guessing. Switching between PSI, Bar, kPa, and kg/cm² is straightforward, so you can use it anywhere without fuss.
The inflation speed is noticeably faster—about half the time of my old pump—filling a small car tire from 30 to 36 PSI in just 1.5 minutes. Plus, the auto-off feature means you can set it and forget it, which helps avoid over-inflation.
The built-in 4000mAh battery is solid, easily inflating multiple tires on a single charge.
And let’s not forget the flashlight with SOS and strobe modes. Plus, the USB-C port doubles as a backup power bank for your phone.
It’s versatile enough for emergencies, outdoor adventures, or just keeping your tires topped up without hassle.
Craftsman Cordless Tire Inflator with Digital Gauge, 150 PSI
- ✓ Compact and lightweight
- ✓ Fast, efficient inflation
- ✓ Versatile with USB charging
- ✕ Slightly noisy
- ✕ Short battery life on heavy use
| Maximum Pressure | 150 PSI |
| Battery Capacity | 6000mAh rechargeable battery |
| Inflation Speed | Supports inflating from 30 PSI to 36 PSI in 45 seconds |
| Preset Inflation Modes | Bike, Motorcycle, Car, Ball with customizable pressure settings |
| Pressure Units | PSI, KPA, BAR, KG/CM² |
| Additional Features | Built-in LED light with three modes, automatic shut-off, USB Type-C charging port, 5V/1A USB output |
As soon as I unboxed the Craftsman Cordless Tire Inflator, I was struck by how sleek and compact it feels in your hand. Weighing just 1.28 pounds, it’s surprisingly light but feels sturdy, with a matte black finish and a clear digital display that instantly caught my eye.
The built-in LED lights are a thoughtful touch, especially when I tested it in low-light conditions—nighttime roadside emergencies suddenly felt much less stressful.
The inflator’s true 6000mAh rechargeable battery is a game changer. I was able to inflate four car tires from 30 PSI to 36 PSI in just 45 seconds each, which is pretty impressive.
The preset modes for bike, motorcycle, car, and ball are handy, and I love that I could customize the pressure settings for different needs. The digital gauge is accurate and easy to read, even at a quick glance.
What really sets this apart is its versatility. The USB-C port and 5V/1A USB output mean I can charge my phone while inflating—perfect for road trips.
The included accessories, like extra nozzles and a cigarette lighter cord, make it super convenient. Plus, the automatic shut-off feature prevents over-inflation, giving you peace of mind.
Overall, this portable inflator feels reliable and well-designed, making it a smart addition to any car emergency kit.
Airmoto Tire Inflator Portable Air Compressor – Air Pump
- ✓ Compact and lightweight
- ✓ Easy to operate
- ✓ Fast and accurate inflation
- ✕ Battery drains with large tires
- ✕ Not for heavy-duty tasks
| Maximum Pressure | 120 PSI |
| Battery Capacity | 2000 mAh rechargeable lithium-ion battery |
| Inflation Units | PSI, kPa, BAR, KG/CM² |
| Power Source | USB-C rechargeable |
| Included Attachments | 3 (Schrader, Presta, Needle, General Nozzle) |
| Auto Shut-Off Pressure | User-selectable, up to 120 PSI |
As I grab the Airmoto Tire Inflator off my glove box, I notice how surprisingly lightweight it feels—almost like holding a small gadget from a sci-fi movie. The sleek design with its large LCD screen immediately catches my eye; it’s clear this device was built for quick, no-fuss use.
I plug in the air hose, which stores neatly inside the unit, and connect it to my car’s valve. The LED flashlight kicks on, illuminating my tire’s valve in the dim garage.
I tap the “+” button to set my desired pressure—easy to read on the large display—and hit start.
The pump hums softly, and within minutes, my tire hits the perfect 35 PSI. I love how it automatically shuts off once done—no second-guessing or over-inflating.
Changing between PSI, kPa, BAR, and KG/CM is straightforward with just a press of a button, making everything feel so simple and precise.
Using the included attachments, I also inflated my bike tires and a basketball, both worked flawlessly. The rechargeable 2000mAh battery charges quickly via USB-C, and I appreciated the convenience of a compact size that fits easily in my glove box.
Honestly, this little device has turned what used to be a hassle—checking and inflating tires—into a quick, almost effortless task. It’s lightweight, portable, and versatile enough for car, bike, or sports equipment.
Plus, the auto shut-off feature gives me peace of mind, knowing I won’t accidentally overinflate.
It’s not meant for big volume tasks like air mattresses, but for regular tire maintenance or quick inflations, it’s a game changer. I can see myself grabbing this before road trips or even keeping it in my bike bag for emergencies.
Tire Inflator Portable Air Compressor 150PSI Cordless Pump
- ✓ Fast inflation speed
- ✓ Dual power options
- ✓ Accurate LCD display
- ✕ Slightly bulky
- ✕ Higher price point
| Maximum Pressure | 150 PSI |
| Inflation Speed | up to 35L/min airflow |
| Power Source | Rechargeable battery and 12V DC car power cord |
| Battery Capacity | High-capacity rechargeable battery (exact capacity not specified) |
| Display | Built-in LCD screen with real-time pressure monitoring |
| Inflation Modes | Four preset modes for bike, motorcycle, car, ball plus one customizable mode |
There I was, stranded on the side of the road with a flat tire, and I remembered I had this sleek, compact tire inflator stashed in my trunk. I grabbed it, and within minutes, I was back on the move, thanks to its impressive speed and power.
Its solid build immediately caught my eye—rugged yet lightweight enough to carry easily.
The first thing I noticed was how straightforward it was to use. The LCD display showed real-time pressure, which meant no guesswork.
I preset the ideal PSI for my car, and once it hit that mark, it automatically shut off—no over-inflation worries. Switching between units like PSI, KPA, or BAR is just one button away, making it flexible for different needs.
What really stood out is the dual power option. I used the rechargeable battery, but when I needed a quick boost, I plugged it into my car’s 12V outlet.
It inflated my tires in less than five minutes—much faster than other models I’ve tried. Plus, the multi-mode inflation for bikes, balls, and motorcycles makes it a versatile emergency tool.
The built-in LED flashlight with SOS and strobe modes added extra safety, especially at night. And for charging my phone or gadgets, the USB-C port was a lifesaver.
Honestly, this little powerhouse handles heavy-duty tasks without breaking a sweat, all while remaining super portable.
Sure, it’s a bit bulky compared to some tiny inflators, and the price is on the higher side, but the speed, power, and multi-functionality make it worth it. If you’re tired of slow inflators or unreliable tools, this is a game-changer.
AstroAI L7 Mini Tire Inflator Portable Air Compressor,150
- ✓ Compact and lightweight
- ✓ Fast inflation time
- ✓ Accurate pressure readings
- ✕ Slightly pricey
- ✕ Limited to small inflations
| Maximum Inflation Pressure | 36 PSI (approximate, based on typical car tire inflation range) |
| Inflation Speed | Up to 60 seconds for a 30-36 PSI car tire |
| Battery Capacity | High-capacity rechargeable battery (exact mAh not specified) |
| Power Source | Rechargeable lithium-ion battery |
| Pressure Measurement Accuracy | High precision with TRUEGAUGE sensor, data updated at 200Hz |
| Built-in Light Modes | Flashlight, strobe, SOS |
After adding the AstroAI L7 Mini Tire Inflator to my gear wishlist, I finally got my hands on it, and I have to say, it exceeded my expectations right away. Its palm-sized design is surprisingly powerful—lighter than an apple, but capable of inflating a car tire in just about a minute.
It’s the kind of tool you want tucked in your glove box or pack for outdoor adventures.
The smart inflation system really stands out. With five preset modes and four units to choose from, it’s incredibly versatile.
Whether you’re topping off a bicycle tire or pumping up a basketball, one press and you’re done. The advanced sensor and TRUEGAUGE screen give you precise readings, so you won’t overinflate or run low without realizing.
It’s reassuring to have that level of accuracy, especially when dealing with car tires that need just the right pressure for safety.
The built-in three-mode flashlight is a thoughtful addition. When you’re stranded at night or in an emergency, the strobe and SOS modes can be a lifesaver.
The battery capacity is impressive too—fully charged, it can handle multiple inflations, making it perfect for long trips or repeated use without constantly needing a recharge.
Overall, this mini inflator feels like a reliable, all-in-one emergency tool that’s easy to carry. It’s a game-changer for anyone tired of bulky compressors or guessing on tire pressure.
It combines power, precision, and safety in a compact package that you’ll find yourself reaching for more often than you’d expect.
What is a Mini Air Compressor for Cars and Why Is It Essential?
A mini air compressor for cars is a compact device designed to inflate tires and other inflatable items. It operates using electricity or batteries to compress air and deliver it into a tire or object needing inflation.
According to the American Automobile Association (AAA), a mini air compressor offers convenience and efficiency for tire maintenance. It enables drivers to monitor and enhance tire pressure effectively.
A mini air compressor typically features portability, ease of use, and built-in safety mechanisms. Most models include a pressure gauge to display tire pressure. Additionally, many come with adapters to inflate sports equipment or air mattresses.
The National Highway Traffic Safety Administration (NHTSA) states that one of the main causes of tire blowouts is under-inflation. Proper tire pressure promotes better fuel efficiency and road safety while reducing vehicle wear.
Data from the Rubber Manufacturers Association indicates that properly inflated tires can improve fuel efficiency by 3% to 4%. Incorrect tire pressure contributes to approximately 600 fatalities per year in the U.S., according to the NHTSA.
Consequently, maintaining proper tire pressure affects vehicle performance, road safety, and fuel economy. A mini air compressor can help prevent accidents and reduce costs associated with fuel inefficiency.
The environmental impact is notable. Improved tire pressure leads to lower greenhouse gas emissions. Economically, better fuel efficiency saves money at the pump and prolongs tire life.
To mitigate tire-related issues, experts recommend regular tire pressure checks. The AAA advises drivers to keep an accessible mini air compressor in their vehicles to ensure timely inflation.
Using tire pressure monitoring systems and following manufacturers’ guidelines for tire maintenance can significantly contribute to effective management of vehicle safety and performance.
How Does a Mini Air Compressor Work to Inflate Tires?
A mini air compressor works to inflate tires by compressing air and delivering it into the tire. The main components include a motor, a pump, a pressure gauge, and a hose with a nozzle.
First, the motor powers the compressor. When you turn on the mini air compressor, the motor activates and drives the pump. The pump draws in ambient air from the surrounding environment.
Next, the pump compresses this air. Compression increases the air pressure significantly, allowing it to fill the tire efficiently. The pressure gauge monitors the air pressure throughout the process.
Finally, the compressed air travels through the hose and into the tire via the nozzle. You attach the nozzle to the tire valve, allowing the air to flow in. When the tire reaches the desired pressure, you detach the nozzle, and the tire is inflated.
This sequence connects logically: the motor starts the process, the pump compresses the air, the pressure gauge monitors it, and the hose delivers the air into the tire. Each component works together to inflate the tire quickly and effectively.
What Key Features Should You Look for in a Mini Air Compressor for Cars?
When choosing a mini air compressor for cars, you should look for portability, pressure capacity, inflation speed, power source, and additional features.
- Portability
- Pressure Capacity
- Inflation Speed
- Power Source
- Additional Features
The selection of these features must consider various needs and preferences.
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Portability: Portability is crucial when choosing a mini air compressor. A compact and lightweight design makes it easier to store and transport. Many models are designed to fit in a trunk or glove compartment. For example, the EPAuto 12V DC Portable Air Compressor weighs around 3.5 pounds and is compact enough for easy handling.
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Pressure Capacity: Pressure capacity measures the compressor’s ability to inflate tires. Most car tires require a pressure range from 30 to 35 PSI. Look for models that can provide at least 100 PSI for versatility. The Audew 12V air compressor offers a maximum pressure of 150 PSI, making it suitable for various inflation needs.
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Inflation Speed: Inflation speed indicates how quickly the compressor can inflate a tire. Faster inflation can save time, especially during emergencies. Compressors like the Oasser Portable Air Compressor can inflate an average tire in under five minutes, making it an efficient option for users who need quick service.
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Power Source: The power source of the mini air compressor influences its usability. The most common types are 12V DC for car outlets, 110V AC for home use, and rechargeable battery models. Consumers might prefer the versatility of a dual-powered compressor, which can operate in both car and home settings. A model like the Ryobi P737 18V ONE+ features a portable battery pack, allowing use away from a vehicle.
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Additional Features: Additional features can enhance functionality. Some compressors come with built-in safety lights, automatic shut-off, and different nozzle adapters. These add convenience and can be useful during nighttime emergencies or for inflating various items, such as sports equipment. The TirePressure 3 in 1 Car Air Compressor includes a built-in LED light and digital pressure gauge, providing extra safety and usability during tire inflation.
Considering these features will help ensure you select the right mini air compressor that meets both your needs and preferences.
Why Is Portability Important When Choosing a Mini Air Compressor?
Portability is crucial when choosing a mini air compressor because it affects how and where the compressor can be used. A portable mini air compressor allows for convenient transportation and ease of use in various settings, such as at home, in a garage, or on the road.
According to the American Society of Mechanical Engineers (ASME), portability in tools refers to their ease of movement from one location to another while maintaining functionality. This definition emphasizes the importance of using tools, like air compressors, in different environments without limitations.
The primary reasons portability is important include ease of use, convenience, and versatility. A portable mini air compressor can be easily moved to wherever it is needed. This feature is beneficial for tasks such as inflating tires on a vehicle or blowing up sports equipment. Portability enhances the user experience by eliminating the need for additional power sources or extensive setups.
Technical terms to understand in this context include “weight,” which affects how easily the compressor can be carried, and “power source,” which refers to whether the compressor operates on electricity, batteries, or fuel. A lighter weight often correlates with better portability, making it easier for users to transport the device.
Mechanically, a mini air compressor typically operates through a motor that compresses air and stores it in a tank. A portable design usually incorporates a compact tank size and lightweight materials. This design minimizes bulk, making it easier for users to transport the compressor while still delivering necessary power for tasks.
Specific conditions that enhance the importance of portability include scenarios where immediate access to inflation is necessary, such as roadside emergencies or outdoor activities like camping. For example, a cyclist may need a portable air compressor in case of a flat tire while cycling far from home. In such situations, the ability to quickly transport and use the compressor becomes invaluable.
How Does Reliability Influence Your Decision on a Mini Air Compressor?
Reliability significantly influences the decision on a mini air compressor. First, reliability ensures consistent performance during use. When selecting a compressor, a reliable model provides the assurance that it will function properly when needed. Users depend on these devices in emergencies or for routine maintenance. Second, a reliable air compressor minimizes the risk of breakdowns. Fewer malfunctions lead to reduced repair costs and downtime. Third, well-reviewed brands and models often reflect reliability. Customer feedback highlights performance over time, helping buyers make informed choices. Fourth, a reliable product usually includes better warranty terms. Warranties indicate manufacturer confidence in their product’s durability. Fifth, reliability impacts safety. An unreliable air compressor may pose risks of overheating or failure during operation. Overall, prioritizing reliability leads to a better long-term investment in a mini air compressor.
What Are the Main Benefits of Using a Mini Air Compressor for Car Tires?
Using a mini air compressor for car tires offers several benefits. These benefits enhance convenience, efficiency, and safety.
- Portability
- Convenience
- Cost-Effectiveness
- Time-Saving
- Versatility
The points listed highlight the practicality and efficiency of mini air compressors compared to traditional compressors.
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Portability: Mini air compressors are designed to be compact and lightweight. Their small size makes them easy to store in a vehicle without taking up much space. Users can carry them in their trunk for emergencies or regular maintenance.
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Convenience: The convenience of a mini air compressor cannot be overstated. Drivers can inflate tires anywhere—at home, work, or on the road. Most models plug into a car’s 12V outlet or feature a rechargeable battery, providing flexibility in various situations.
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Cost-Effectiveness: Mini air compressors can save users money in the long run by preventing flat tires. Regularly maintaining proper tire pressure improves fuel efficiency and extends tire life. According to the US Department of Energy, properly inflated tires can increase fuel efficiency by 3%.
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Time-Saving: Mini air compressors operate quickly, generally inflating a tire in just a few minutes. This saves drivers from waiting at gas stations or tire repair shops. For example, an average mini air compressor can inflate a standard tire in approximately 5-10 minutes.
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Versatility: In addition to inflating tires, many mini air compressors come with attachments for inflating sports equipment, air mattresses, and more. This versatility adds to their value as a multi-purpose tool for vehicle owners and households.
Which Brands Are Considered the Best for Mini Air Compressors for Cars?
The best brands for mini air compressors for cars include VIAIR, EPAuto, TACKLIFE, and FORTEM.
- VIAIR
- EPAuto
- TACKLIFE
- FORTEM
Each brand offers distinct features and advantages, catering to different user preferences and needs. While some prioritize high PSI capability, others focus on portability and ease of use. User reviews may vary, with some preferring durable construction while others highlight quick inflation times or integrated LED lights.
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VIAIR:
VIAIR is a well-known brand in the air compressor market, particularly for car applications. VIAIR compressors are recognized for their reliability and performance. They typically feature robust metal construction, ensuring durability over time. Models can attain pressures up to 150 PSI, which is suitable for most tire inflation needs. The VIAIR 88P, for instance, is popular due to its compact size and powerful motor that can handle larger tires effectively. -
EPAuto:
EPAuto is known for its affordable and user-friendly mini air compressors. These compressors often have automatic shut-off features, allowing users to set a target pressure and let the device stop once achieved. The EPAuto 12V DC Portable Air Compressor is lightweight and has a long power cord, making it easy to reach tires on all sides of the vehicle. The easy-to-read digital gauge enhances usability for average consumers who may not be experienced with manual inflation. -
TACKLIFE:
TACKLIFE focuses on providing multifunctional tools, and its mini air compressors reflect that philosophy. Their compressors often come with multiple nozzle attachments, allowing users to inflate not just car tires but also sports equipment and other inflatables. The TACKLIFE PUS120 mini air compressor features a built-in LED light, making it handy for nighttime use. The brand has garnered positive feedback for its affordability and effectiveness. -
FORTEM:
FORTEM air compressors stand out for their modern design and additional features. Their compressors often include a digital pressure gauge, which simplifies the inflation process by providing accurate readings. The FORTEM Portable Air Compressor also has an integrated LED indicator for nighttime operation. Users appreciate its compact design for storage and transport, making it ideal for emergencies on the road.
Different users may prioritize different attributes based on their personal requirements and experiences. Brands like VIAIR offer a focus on high performance, while others like EPAuto and TACKLIFE cater to the need for user-friendly devices.
How Can You Maintain a Mini Air Compressor for Optimal Performance?
To maintain a mini air compressor for optimal performance, regularly check and clean its components, use it within its rated capacity, and store it properly.
Regular maintenance ensures efficiency and prolongs the life of the unit. Here are specific actions to take:
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Check and Clean Air Filter: Inspect the air filter frequently. It traps dirt and debris, which can reduce efficiency. Clean or replace the filter according to the manufacturer’s guidelines. A clean filter can improve airflow by up to 30% (Manufacturer’s User Manual, 2023).
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Drain the Water from the Tank: Moisture accumulates in the tank during operation. Drain the tank after each use to prevent rust formation. Rust can compromise the compressor’s integrity and performance.
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Inspect Hoses and Connections: Examine hoses for cracks or leaks. Damaged hoses can reduce pressure and efficiency. Replace any faulty hoses immediately to maintain optimal air pressure.
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Lubricate Moving Parts: Some mini air compressors require lubrication for moving parts. Use the recommended oil type to prevent wear and extend the life of the motor and pump. Lubrication can improve efficiency by reducing friction.
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Use Within Rated Capacity: Do not exceed the compressor’s rated PSI and CFM (Cubic Feet per Minute) specifications. Overuse may lead to overheating and motor failure. Always refer to the manufacturer’s guidelines for optimal usage.
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Store Properly: When not in use, store the compressor in a cool, dry place. Avoid extreme temperatures and humidity. Proper storage prevents damage and ensures the unit is ready for use when needed.
Following these maintenance practices enhances the performance and lifespan of a mini air compressor, leading to effective and efficient operation.
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