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Two-Ways to Inflate & Cord-Free
How to Use an Air Pump?
Vladislav
Reviewed in the United States on May 11, 2025
I have been using the pump for about a year now. It works very well. It has a USB-C output that can be used to charge it from any USB-C charger. It can also be charged from a car outlet if needed. It charges quite quickly. A fully charged battery lasts a long time. I only charge the pump once a quarter. It is very easy to use. It has an automatic shut-off. It has a display where you can see the current tire pressure and you can set the desired tire pressure. The design of the pump is good and compact. The noise level is average. It can be quite loud. Overall, I am very happy with this purchase and recommend this product.
S325X
Reviewed in the United States on February 22, 2025
More confident having this in the car. Uses internal rechargeable battery or lighter socket.I wish it was a little faster, pushing a greater volume of air. Can be difficult to get larger tires started from nearly completely flat and the charge might to fill a larger SUV tire. Using the lighter saves the day.Still way better than being stuck on the side of the road or waiting hours foe AAA...
Win7Fan
Reviewed in the United States on January 20, 2025
I was a bit skeptical about this actually working, but it does. My back tires were in the teens and my front tires were in the low 20s. A fully charged unit brought all 4 tires up to 33.5. By the end, the battery charge indicator was down to one bar from 4.I charged it with the USB cable, so I would imagine one could keep it charged in their car using the USB cable. My wife's car has an outlet inside the center console. I guess I could put it in there for her.I have used cigarette lighter inflators in the past, but the one I had messed up the electronics. Nothing permanent, but I was afraid to use it again. If I had a USB outlet in my trunk, this would be great!When the tires on my wife's car are low, she stops at our local Firestone and has them take care of it. Works well, except she tips them $10. So, this will pay for itself, as I will be inflating her tires for free.
Rene
Reviewed in the United States on December 15, 2024
I had been looking around for a similar product to keep in my car so I do not depend on gas station air pumps, and to have a solution for an unexpected low air pressure during cooler weather. I purchased this small air pump to check it out and did not expect much of it. To my surprise this was a great option, this air pump is outstanding, it exceeded my expectations in every sense, size and design are perfect, it weighs more than what I expected and that may be a sign of the good quality. I tested it on my four car tires, it worked really well using its own battery which was in its medium level charge level, the four tires quickly reached the set pressure in a matter of one minute, This thing really delivers. My car has TPMS device and it showed the perfect tire pressure measurement after I used the air pump. I had never posted a long review, however this device deserves all credit and I really recommend it, very happy with my purchase. I will update this review if the first impressions change.
Sidecar1115
Reviewed in the United States on January 18, 2024
Bought a couple of these for my nephews for Christmas, and was impressed, so got one for myself. It's been quick, effective, easy to use, and relatively quiet.They've included just about everything:A nice display, with current pressure readingAutomatic stop at the user-selected target pressureSeveral memory "channels" to store different target pressures for tires or sports equipmentA built-in flashlight for nighttime useCharging from either a phone charger or vehicle power/lighter socketPower bank ability to charge a phone, etc.Storage bags for the cords and chargerBut the feature I like best is the ability to run from the built-in battery - no connection to the car's electrical system required. Pumping up all of my minivan's tires from 30psi to 36psi only took a few minutes, and used about half of the KeepUp's battery capacity. On my charger, it draws about 2-1/3 amps, and will take a while to top off again. However, it can be used directly from a 12-volt source if needed.Another great thing is the compact size: about 4-1/2" wide x 5-1/4" tall x 2-1/4" thick, with weight about 1lb 7oz for the charger only, and about 1lb 14oz for everything - charger, hose, cables, bags, and instruction booklet.It would be nice to have a longer air fill hose. This one has an effective length of about 11-1/2". If the valve is at the top of the wheel's rotation, I have to either hold the unit, place it in top of the tire (if there's clearance), or move the vehicle. I'd also welcome a hard-sided case.But so far it works well, anyone in the family can use it, and it tucks in to about any available space in the car for storage. It's being one of those delightful little things that make life's tasks easier.
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