SERVOMASTER SM02E Cordless Tire Inflator, 150 PSI

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Product guide

SERVOMASTER SM02E Cordless Tire Inflator, 150 PSI

The SERVOMASTER SM02E is a cordless tire inflator listed with a 150 PSI maximum pressure, preset inflation modes and automatic shut-off. Its compact listed dimensions and supplied adapters suit occasional top-ups for compatible vehicle tires and smaller inflatables, but customer feedback raises concerns about battery life and noise.

At a glance

Four preset modes are listed for cars, motorcycles, bicycles and balls, with pressure units selectable among four formats.
The listing describes a digital display, three LED light modes and shut-off at a set pressure.
Compact dimensions and supplied inflation adapters support use with several tire-valve and inflatable types.

Price

$20.69Save 20%

Reference price: ~~$25.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Cordless, battery-powered design avoids needing a vehicle power connection during use.
Preset modes, selectable pressure units and set-pressure shut-off can simplify routine inflation.
The stated package list includes an air tube, Type-C charging cable, ball needle valve, Presta-to-Schrader adapter and nozzle cones.

Cons

Customer feedback reports quickly draining battery life and some complaints of noise and internal rattling.
The listing says it is not compatible with large vehicles such as mid-size sedans, trucks or buses, limiting its stated vehicle range.

Technical specifications

12 specifications

Identity
Brand	SERVOMASTER
Model	SM02E

Power and battery
Power configuration	Battery Powered

Pressure and operation
Maximum pressure listed	150
Preset modes	4 smart preset modes for car, motorcycle, bicycle, and ball
Pressure units	PSI, BAR, KPA, and KG/CM²
Automatic shut-off	The tire pump automatically stops when it reaches your preset pressure value.

Display and lighting
Display	Large digital display screen
LED modes	illumination, strobe, and SOS

Dimensions and installation
Dimensions listed	14L x 7.5W x 20.5H centimetres

Materials and protection
Material listed	Plastic

Charging
Charging time claimed	It usually takes about 3 to 5 hours.

What to know before buying

Listing details to confirm

The listing's 150 maximum-pressure figure does not state a unit in the product details, while feature text specifies 150 PSI. It also lists voltage as 12 without a unit despite describing battery-powered cordless operation. Treat these as listing inconsistencies, not confirmed device defects, and confirm the exact pressure rating and power arrangement before purchase. The listing also gives a 2 db noise figure, which conflicts with customer reports of loud operation.

What’s in the box

Included

SERVOMASTER SM02E tire inflator
Air tube
Type-C charging cable
User manual
Ball needle valve
Presta-to-Schrader adapter
Air nozzle cones

Who is it for?

A good fit for

Drivers seeking a cordless pump for occasional tire top-ups on compatible cars or motorcycles.
Cyclists and sports-ball users who can use the supplied valve adapters and preset mode options.
Buyers who value a digital pressure display, set-pressure shut-off and built-in emergency lighting.

Less suited to

Owners of large vehicles or those needing a pump explicitly suitable for mid-size sedans, trucks or buses.
Buyers who need dependable long-duration battery operation or low-noise performance, given reported concerns.

SERVOMASTER SM02E Cordless Tire Inflator, 150 PSI · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 3,915 ratings

5 stars60%60%
4 stars13%13%
3 stars10%10%
2 stars3%3%
1 star14%14%

Customer feedback highlights perceived quality, portability and acceptable value, alongside complaints about short battery life and some reports of loud operation or rattling. Opinions on reliability, speed and achieved air pressure are mixed. These are customer perceptions rather than verified performance findings. The battery and noise concerns are especially relevant for buyers planning repeated inflations or roadside use, while mixed pressure and speed feedback matters if inflation precision or quick operation is essential. Ratings are more positive than negative overall, but do not resolve those specific concerns.

Positive themes

Customers describe the product as good quality and portable, with some finding its price acceptable.

Negative themes

Customers report battery life that drains quickly. Some also describe noise and rattling.

Mixed feedback

Customer opinions vary on reliability, inflation speed and air-pressure performance.

Frequently asked questions

Does the SM02E stop automatically at the selected pressure?

The listing says it stops when it reaches the pressure value set by the user.

What inflation modes and pressure units are listed?

Four modes are listed for car, motorcycle, bicycle and ball. The listing names PSI, BAR, KPA and KG/CM² as selectable units.

Can this inflator be used with larger vehicles?

The listing says it is not compatible with large vehicles such as mid-size sedans, trucks or buses. Confirm suitability for your vehicle before buying.

What is included?

The package list names the inflator, air tube, Type-C charging cable, user manual, ball needle valve, Presta-to-Schrader adapter and air nozzle cones.

How long does charging take?

The listing claims a usual charging time of about 3 to 5 hours.