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The AstroAI Rechargeable 5200mAh Cordless Tire Inflator is a battery-powered pump rated to 150 PSI, aimed at topping up car tires, bike tires and balls without a wall outlet. It runs on a built-in 5200mAh battery and charges over USB rather than a 12V car socket. Its best new price is $27.99 at Walmart as of November 7, 2026, the lowest of the five stores listing it new. That price is low for a cordless inflator, but the 2.8 out of 5 rating from 47 ratings is a warning sign.
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Lowest price we've seen: $27.99 on Nov 7 at Walmart. Tracked across 5 stores since Nov 7.
Ratings are poor overall at 2.8 out of 5 from 47 ratings, so buyer satisfaction is mixed at best. Complaints center on battery life and slow fills; some owners still find it fine for occasional top-ups.
