Head-to-head · Best Portable Tire Inflators

Slime Cordless Pro Power vs Viair 77P

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Slime Cordless Pro Power comes out ahead by a narrow margin (4.7 vs 4.5). The gap is mostly about daily drivers wanting cordless freedom + 12V backup — read the strengths below before deciding.

Higher ratedRanked #1 in Best Portable Tire Inflators

Slime Cordless Pro Power

4.7

$115

The Cordless Pro Power is the best-overall pick — Slime's hybrid inflator for cars and SUVs.

Strengths

— Hybrid 12V + battery design
— Inflates 3 car tires per charge
— 3 min to fill standard tire

Watch-outs

— Battery life limited under heavy use
— Larger than Viair 88P
— Heavier than compact units

$115 · Check Price on Amazon Full review →

Ranked #5 in Best Portable Tire Inflators

Viair 77P

4.5

$60

The Viair 77P is the budget Viair pick — entry-level 12V inflator for occasional use.

Strengths

— Cheaper Viair option
— 12V cigarette plug
— Analog gauge + 8-ft hose

Watch-outs

— Slower than 88P
— Analog gauge
— 12V only — no battery

$60 · Check Price on Amazon Full review →

How they stack up

Slime Cordless Pro Power

Best cordless + 12V hybrid. Strong runtime.

Viair 77P

Cheapest Viair. 12V cord only. Compact.

Specs side-by-side

Spec	Slime Cordless Pro Power	Viair 77P
Power	12V hybrid + battery	12V plug
Fill Time	~3 min	—
Warranty	2-year	—
Brand	Slime	Viair
Hose	—	8 ft
Price	—	$60

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