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AAOBOSI 25 litres, −20 °C to 20 °C, IPX4, 57.2 × 34.5 × 37.8 cm review

A 25 litre compressor cool box rated IPX4 against splashing, with published external dimensions and a stated 34-can capacity.

The bottom line The only cool box in this family with an ingress rating and one of two to publish its external dimensions — the two facts that decide where it can go. It names no battery protection at all.

A 25 litre box specified for getting wet.

IPX4

Splash resistance from any direction, published. Nine boxes in this family and one has an ingress rating. For an open boat, a pickup bed or a terrace, that is what decides whether it survives.

The X means no dust figure is declared — which on a beach is the other half of the question.

The measurements

57.2 × 34.5 × 37.8 cm externally, 25 litres internally, 34 cans of 330 ml. Both the outside and the inside, which is what a boot or a locker actually needs.

The claim that compares to nothing

20 % faster cooling than others. No comparison named, no condition stated. Reported as published.

The absence

No battery protection. On a box with a 12 V input intended for vehicles, that is the specification that keeps the engine startable, and it is not mentioned.

Availability

German, French, Italian and Spanish Amazon stores quoted 199 € to 246 € when this page was compiled.

British Amazon catalogue carries an entry for it, with nobody selling.

American Amazon store returned nothing at all, so the buy button there runs a search instead of landing on an empty page.

These figures are what Keepa reported on the day this page was last updated. Availability and pricing move without notice.

Prices quoted in this text were read on 16 September 2026. The live price is at the top of the page.

What it gets right, and what it leaves out

Strengths

  • IPX4 splash resistance published, the only ingress rating in this family
  • External dimensions published, so it can be checked against a boot or a locker
  • Capacity given in cans as well as litres

Compromises

  • No battery protection at all
  • The 20 % faster cooling claim compares to nothing named
  • No consumption and no noise

Specifications

Temperature range−20 °C to 20 °C, from the title
Daily consumption at stated conditionsNowhere in the listing
Compressor typeDescribed as ultra-efficient, third bullet; not named
Battery protection levelsNowhere in the listing
InsulationNowhere in the listing
Capacity25 litres, 34 cans of 330 ml, external dimensions 57.2 × 34.5 × 37.8 cm, second bullet
NoiseNowhere in the listing
Amazon referenceB0DS1QF4ZP (same reference on 5 Amazon marketplaces)
EAN0717206493795

Questions owners ask about this one

What does IPX4 cover?

Splashing water from any direction. The X means no dust figure is declared at all. On a box in an open boat or a pickup that is the relevant half, and it is the only ingress rating published by any cool box here.

Why publish external dimensions?

Because a 25 litre box occupies far more than 25 litres of space, and whether it fits a boot, a locker or between two seats is decided by the outside measurements. Two of nine boxes here publish them.