KeenPower 21V Cordless Tire Inflator 160 PSI
- 160 psi maximum pressure
- 21 volt battery plus car power adapter cable
- 50 centimeter hose
- 78 db noise
- Digital pressure gauge with automatic shut-off
- 7 x 3 x 10.2 inches, ABS body
- Battery, charger, storage bag and nozzles included
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A cordless inflator with a digital gauge that can also run from a car power cable, covering cars, motorcycles, e-bikes and balls. The hose is short, so reaching some valves may take care.
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ASIN: B0BYSJVD3FModel: KPYC218Category: Tire Air Compressors & Inflators
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Overview
A motorist, cyclist or motorcycle rider gets a cordless air pump with a digital gauge and automatic shut-off, powered by a lithium-ion battery or by a car power adapter cable. Nozzles and a storage bag come in the kit.
Dual power lets it run from the supplied battery or the car adapter cable, so a drained pack does not end the job. The kit includes the battery, charger, bag and nozzles, which makes it a complete set. The limits are the hose length and a continuous run time that the listing leaves out.
Who it's for
Households with a car, a motorcycle or an e-bike can share one inflator and switch between battery and car power. Buyers who inflate often and want a published run time should look elsewhere.
Pros and cons
- Battery and car power both supported
- Digital pressure gauge
- Battery, charger and storage bag included
- Nozzles included for varied uses
- Hose is short
- Continuous run time unlisted
- Warranty terms are vague
- Valve types for nozzles unspecified
Performance notes
Inflation speed depends on the motor and battery output, and higher target pressures slow the fill because the pump works against more resistance. The digital gauge reads pressure and the automatic shut-off stops the pump at the target. Car power gives an alternative when the battery is low.
Specifications
| Brand | KeenPower |
|---|---|
| Model | KPYC218 |
| Dimensions & fit | |
| Hose Length | 50 centimeters |
| Item Dimensions L x W x H | 7"L x 3"W x 10.2"H |
| Capacity & performance | |
| Noise | 78 db |
| Power & efficiency | |
| Power Source | Battery Powered |
| Voltage | 21 volts |
| Construction & materials | |
| Material Type | ABS |
| Color | Yellow |
| Included components | |
| Included Components | Tire inflator, 21V lithium-ion battery, battery charger, car power adapter cable, storage bag, nozzles |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | Hassle-Free Warranty |
| Other details | |
| Maximum Pressure | 160 psihigher than 88% of 33 tire air compressors & inflators |
| Recommended Uses For Product | Tire Inflation |
| Additional Features | Automatic Shut-Off, Cordless, Digital, Portable, Quick Inflation |
| Item Type Name | Tire Inflator Portable Air Compressor, Air Pump with Digital Gauge |
| Style | Portable, Cordless, Vehicle Inflator |
Closest rivals on specs
ETENWOLF Vortex S6 Cordless Tire Inflator- Hose Length 19.7 vs 17.7 inches (+11%)
- Voltage 21 vs 12 volts (+75%)
AstroAI Cordless Tire Inflator 160 PSI- Noise 78 vs 50 dB (+56%)
- Voltage 21 vs 12 volts (+75%)
Bullseye Pro Tire Inflator 150 PSI- Noise 78 vs 53 dB (+47%)
- Voltage 21 vs 12 volts (+75%)
Frequently asked questions
How do I power the KeenPower inflator?
It runs from the included 21 volt lithium-ion battery, which has its own charger, or from the car power adapter cable. The listing gives no step-by-step setup.
Which valves do the KeenPower nozzles fit?
Nozzles are included, but the listing does not name the valve types they fit. Cars, motorcycles, e-bikes and balls are named as uses.
Is the KeenPower a tank-style compressor?
No. It is a portable, battery-powered inflator with a digital gauge, not a tank compressor.