Tire Inflator Portable Air Compressor, 3-150PSI 12V DC Electric Air Pump for Car Tires
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$26.99at WalmartChecked 18 h ago
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The Keenstone is a cordless tire inflator with a built-in 10000mAh battery and a 12V DC cord as backup power. It tops out at 150 PSI and claims 40 seconds to bring an SUV tire from 30 to 36 PSI, or about 5 minutes to fill a flat 195/65R15 from zero. A backlit LCD shows preset and live pressure, and the pump shuts off automatically at the target. Four preset modes (bicycle, motorcycle, car, ball) plus a custom 3-150 PSI mode make it easy for beginners. It suits drivers who want one pump for car tires, bikes and balls without hunting for a wall outlet; rivals in this class often lack the dual power option or the battery capacity to fill several tires per charge.
In stockSold by KeenstoneReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners rate it 4.4 out of 5 across 138 ratings. Buyers like the cordless battery, the auto shut-off and the clear pressure display; the main complaints center on units that fail or underperform.
This portable tire inflator is a cordless air compressor with a maximum pressure of 150 PSI and airflow of 36 L/min. It tops up an SUV tire (30-36 PSI) in about 40 seconds. Based on a 195/65 R15 tire, it fully inflates a flat tire (0-36 PSI) in about 5 minutes. You preset the pressure, and the pump shuts off automatically when it reaches that level.
It runs on a built-in rechargeable 10000mAh battery, which can inflate 8 car tires, 15 motorcycle tires, 24 bicycle tires or 90 balls. When the battery is empty, a 9.8 ft 12V DC power cord lets it run from a car's 12V outlet. The 12V outlet powers the pump but does not recharge the battery.
An LCD shows the preset and real-time pressure and works as a digital gauge in PSI, KPA, BAR or KG/CM. There are four preset modes (car, bicycle, motorcycle and ball) plus a custom mode. Press the mode button to cycle through them in that order. Each preset mode has its own adjustable range, for example 26-50 PSI in car mode. Custom mode sets any value from 3 to 150 PSI.
