4000A Jump Starter with 160PSI Air Compressor, 12V Car Battery Booster, 65W Fast Charge, 88.8Wh Portable Tire Inflator, LED Display for 10L Gas & 10L Diesel Engines, LED Light, Jumper Cables

Impressive features for its size. Car starting, tire inflating, power bank, and an LED light all in a compact package. It comes with a custom bag for all the parts making it very easy to keep in your car for emergencies. Everything worked perfectly in my testing and the user interface is easy to use. Great product!

Excellent product. When the real cold hit the northeast, the temperature dropped significantly. A 4 of my tires we down by 5 PSI and I could feel it in the steering. This little Wolfbox inflated all 4 tires in under 1 minute each!. This was much better than waiting in line at the local market for use of the air compressor. The design is intuitive and the screen is bright easy to read. the face of the box has large bold numbers and figures that make it easy to read. I did this in direct sunlight and it was still easy to read. The box came with half a charge and was fully charged within 2 hours. I highly recommend this product to be included in your vehicle for "just in case" situations.

A quick summary is that this little unit holds a lot of power/features and is much better than my older lead-acid style jump starter/inflator device. I purchased this Wolfbox portable jump starter/air compressor to replace and older unit I previously kept in my vehicle. Although the old unit does still work, it is massive/bulky, taking up a lot of floor space in the back seat (it is the big yellow CAT unit in the photos/videos). And what a difference it is, sitting at less than half the size even in the carrying case. Apparently the Lithium-ion batteries in the Wolfbox are the way to go these days compared to the AGM lead-acid battery in my old unit. The Wolfbox unit comes with the jump starter/inflator, jumper cables, inflator hose, a few valve attachments, and a USB-C charging cable all packed within a nice carrying case. (and also a manual). Great presentation overall, and it feels sturdy/premium. The only note I can think of for Wolfbox to improve here would be to add a piece of foam in the center of the case to act as a divider/protection. This would keep the jumper cables/other contents stored in the pouch from touching/scratching the jump starter unit stored in the other half. Not a huge issue by any means, and I rectified this by cutting out my own piece of thin foam (you can see it in the pics). It looks so nice I would hate to see it scratched up over time. I charged it as-directed out-of-the-box, and it took less than 30 minutes to top it off. Reading in the manual, it says it would take 1.5-2hrs time for a full charge. My old unit recommended charging for 24 hours, so a big improvement there as well. Given this time of year, the cold temperatures have come in and caused all of my tires to lose some air pressure, setting off the dashboard warnings. So I thought this would be a perfect opportunity to compare the air compressor feature vs my old one since all tires needed to be filled 6-8psi. The short story is that the Wolfbox wins out again. I had two tires that both showed they were 6psi low exactly, so I set my old unit on one tire and the Wolfbox unit on the other. My old unit took 3:51 (3 minutes and 51 seconds) to inflate 6psi, while the Wolfbox took all of 1:13 to inflate 6psi. So the Wolfbox is 3x faster than my old unit. Quite impressive for being half the size. I love how big the display is. The screen is bright and I can easily read the numbers while standing up compared to the tiny screen on my old unit. It also has cool functionality that lets you set the target PSI, and it will auto-shutoff when complete. There are presets for a vehicle, motorcycle, bicycle, and ball, but you can set it higher/lower than those and also update the preset if you want. While I have not been able to test the jump starter functionality yet, it advertises 3000A compared to the 1200A of my old unit. I'm unsure how that translates to actual cranking amps, but seems to be more than capable for my medium size SUV. Overall, I am quite impressed at the power/functions/features. Coming off of my old unit, it seems to be an improvement in almost every way. The price is reasonable for what you get. Hopefully I won't have a dead battery and have to test the jump starter, but good to know it's there.

Really Good. it will completely jump start a 4.8L diesel engine with dead batteries. it lasted me around 4-6 jump starts with some other usage. Air compressor is great for what it is honestly really impressed and really compact for storing. i would strongly recommend it especially if you get it at a discount.

WOLFBOX 4000A Jump Starter MegaVolt 24 Air WOLFBOX Jump Starter with Air Compressor I just got it today and so can't speak of the ability to start a car, but I have used the air pump and charged my phones with it. Here is my feedback on that. First, the bad: 1) The USB-C to USB-C cable that comes with it is adequate for charging the WolfBox, but not for an Android phone. I bought the extra WolfBox 65amp charger and it charged the WolfBox just fine using the WolfBox supplied cable. Then when I plug that same cable into my Samsung S22 it warns me that I need to immediately unplug the cable from my phone. It says there may be liquid or debris in the port. I suspected that the cable is manufactured to cut corners and is missing some connections, and that turns out to be the case. USB-C cables can have up to 24 wires (PINS) plus a shield wire. Using a USB cable tester, my high-end Lenovo power USB-C to USB-C cable has PINROW A 1/2/3/4/5/8/9/10/11/12 and PINROW B 1/2/3/4/5/6/7/8/9/10/11/12, plus Shield. The only thing missing are PINROW A6 and A7. The WolfBox USB-C to USB-C cable is missing PINROW A 2/3/6/7/10/11 and PINROW B 2/3/8/10/11. I have never seen a USB-C cable missing so may PINROW connections. My phone hates it, and why would I want to keep it in the WolfBox package if it can't even be used to charge a phone? I will substitute my Lenovo cable, which both charges the WolfBox and lets the WolfBox charge my phone. Shame on you WolfBox for cutting corners on that cable! 2) There is an additional power-out port on the device that the documentation doesn't explain, other than to say it's there. It's labeled 15v/10A and nowhere does it say what size of plug you might buy to take advantage of it. 3) It could use some strap or carrying handle. It's relatively heavy and made of slick plastic. I would not want to have to use it in an emergency in the snow and mud. Now, the good: 4) It pumped up the tires on my car nicely. I like how you can set it to the PSI you want and then it stops automatically. The air hose port got very hot just putting a few PSI into my little car tires, so I imagine that a big truck would bring it to near meltdown. 5) The zippered case it comes in is nice, and there's enough room in there for the 65w extra charger I bought so I can charge the thing.

Das Produkt macht optisch einen sehr guten Eindruck. Alles wirkt hochwertig und haltbar. Natürlich ist die Größe und das Gewicht nichts für die Handtasche aber dafür ist es auch nicht gedacht. In der mitgelieferten Tasche sind alle Zubehörteile sicher verwahrt und geschützt. Der Akku war zu 70 % geladen und mit einem 65 Watt Netzteil (gehört nicht zum Lieferumfang) sehr schnell auf 100 %. Die Bedienung erfolgt über Taster auf der Gerätevorderseite und dem Display und ist nahezu selbsterklärend. Ich habe die Starthilfe sofort an einem Fahrzeug mit abgeklemmter Batterie getestet und den Motor zwei mal ohne Probleme gestartet. Dabei hat der Akku lt. des vierstufigen Symbols auf der Anzeige fast nichts an Energie verloren. Der integrierte Kompressor funktioniert ebenfalls einwandfrei und ich habe gleich alle vier Reifen des Fahrzeugs auf den benötigten Reifendruck aktualisiert. Auf dem großen Display wird der aktuelle Druck in wählbaren Dimensionen angezeigt und kann vom Ist-Wert mit den Tasten + und - auf den Sollwert gebracht werden. Die Zubehörteile sind von guter Qualität und sitzen stramm und dicht. Auch die eingebaute Leuchte funktioniert gut in drei verschiedenen Modi. Die Powerbank-Funktion habe ich noch nicht ausprobiert aber ich bin überzeugt, dass das auch gut funktioniert. Ein paar Verbesserungsvorschläge hätte ich dennoch: - keine hochglänzenden empfindlichen Kunststoffteile verwenden - die Anzeige des Akkustandes auf dem Display in % angeben - Taster beleuchten oder farbig gestalten für die Verwendung bei schwachem Licht - gegen Mehrpreis gleich ein passendes 65-Watt Netzteil mitliefern Insgesamt bin ich mit dem Produkt sehr zufrieden und empfehle es uneingeschränkt weiter.

This is really useful. I wish I would had it a long time ago. I can keep my cars tires with the right pressure. Very easy and intuitive to use. It comes with a nice box, so you can keep it protected in the trunk. I didn't have a chance to use it as a jump starter yet. Premium quality, both: the jump starter and the box.

Fiable, bueno y de calidad. Lo he tenido que utilizar y ha hecho su función de forma excepcional. Mucha potencia y ergonomía. La funciona de inflado de neumáticos es top

Cet appareil se charge très vite. J'ai eu l'occasion de regonfler deux pneus de la voiture. Il m'a suffit d'indiquer la pression à atteindre sur la première ligne. Vous raccorder le gonfleur. Vous verrez immédiatement la pression restante. Vous mettez en route le gonfleur qui s'arrêtera des que la pressiondelandée est atteinte, et tout cela sans trop de bruit et très rapidement. En ce qui concerne le démarrage électrique, je ne l'ai pas encore test. Personnellement, le le recommande.

It's absolutely amazing, it started my 2.2 diesel automatic mercedes with a completely flat battery instantly, the torch was handy as this happened when it was dark. I have inflated all my tyres to the correct psi, it stops automatically when the correct tyre pressure is reached which you can adjust easily by pressing the plus or minus buttons. You can charge your mobiles from this also and use it for other usb devices, so many uses in 1 package, takes around 90 minutes to fully charge, apparently it holds it's charge for 2 years, though I would top the battery up every 5 or 6 months just in case, or more frequently if you use it to inflate or check your tyre pressures. It comes in a robust smart case to protect it, the jump start leads grip very strong, it's an excellent quality item from wolfbox, as soon as you open it you will see for yourself. I have their mirror dash cam also which is another amazing quality product. I would honestly recommend this to everyone..