Mobicool MCF40 Review: Lightweight 38L Compressor Cooler

Name: Mobicool MCF40 compressor cool box 38L
Brand: Mobicool

Mobicool MCF40 at a glance

In short: the Mobicool MCF40 scores 8,3/10 in our compressor cool box review (from €230). Biggest strength: lightest 38 L box. Main compromise: only down to −10 °C.

With dimensions of 58 × 38 × 44.5 cm it is among the more compact devices in its class. All technical data comes from manufacturer data sheets and the Amazon catalogue and was cross-checked before publication. The rating is an editorial overall judgement on this data basis, not an assessment from using the device in practice.

Mobicool MCF40: what works, what doesn't?

What works well

Lightest 38 L box: only 11.5 kg, can be carried alone
Most economical at 0.28 kWh/day: class C, solar-friendly
Solid brand: Mobicool / Dometic subsidiary, durable construction
3 voltages: 12 V / 24 V / 230 V, universal
Very quiet (49 dB): sleeping in the camper is possible
Compact: fits in any estate car
3-stage battery protection: Prevents deep discharge

Points of criticism

Only down to −10 °C: no true deep-freezing, no ice making
No USB port: unlike the Alpicool CX40
Plastic interior: not as robust as Dometic stainless steel
Somewhat pricier: €230 vs. Alpicool €170
No app control: display on the device only

Specifications in detail

Manufacturer	Mobicool / Dometic Group
Model	MCF40
Device type	Compressor cool box
Volume	38 litres (50 cans of 0.33 L)
Cooling range	−10 °C to +20 °C
Connection	DC 12 V / 24 V + AC 230 V
Energy consumption	0.28 kWh / 24 h
Energy class	C
Weight	11.5 kg, best in class
Dimensions	58 × 38 × 44.5 cm
Noise level	approx. 49 dB(A)
Compressor	Compression cooling (Secop subsidiary)
Display	Digital LED display
Battery protection	3 levels
USB port	No
Interior	Plastic
Warranty	2 years manufacturer

What does it cost to run?

The consumption of 0.28 kWh per 24 hours means about 10 cents a day at 35 ct/kWh (German electricity price), around €36 a year in continuous operation.

Calculation basis: 35 ct/kWh (German electricity price, 2026, rounded). Values from the manufacturer data sheet; actual costs depend on use and tariff.

Build quality & everyday use

What carries the Mobicool MCF40 in everyday use: lightest 38 L box (only 11.5 kg, can be carried alone) and most economical at 0.28 kWh/day (class C, solar-friendly). We have to be honest about the weaknesses: only down to −10 °C, no true deep-freezing, no ice making.

If you set the device up to save space, allow ventilation clearance of at least 5 cm at the sides and 10 cm at the rear, otherwise the compressor may overheat.

“Mobicool MCF40 Compressor Cool Box 38L: lightest 38 L box and most economical at 0.28 kWh/day, and the trade-off is only down to −10 °C. At 8.3/10 a fair deal from €230.”

The MiniHaushalt.de editorial team

Who is the Mobicool MCF40 suited to? (buying advice)

Perfect for:

✓Motorhome owners focused on efficiency
✓Solar setups (lowest consumption)
✓Estate/SUV owners with rather small loads
✓Weekend campers who do not need a freezer function
✓Mobicool/Waeco brand loyalty

Less suitable for:

✕Anyone who wants to take ice and frozen chips
✕Buyers with premium demands (Dometic CFX3)
✕Setups with a high cooling load (family trips)

Mobicool MCF40 compared with alternatives

Head-to-head with the top alternatives from our compressor cool box comparison

Feature	Mobicool MCF40	Alpicool CX40	Dometic CFX3 35	BougeRV CRPRO 20
Volume	38 L	40 L	36 L	20 L
Voltage	12/24/230 V	12/24/230 V	12/24/230 V	12/24/230 V
Temperature	−10 / +20 °C	−20 / +20 °C	−22 / +10 °C	−22 / +10 °C
Consumption	0.28 kWh/day	about 0.5 kWh/day	0.47 kWh/day	0.86 kWh/day
Weight	11.5 kg	12.7 kg	16.9 kg	10.8 kg
Price	from €230	from €170	from €649	from €180

Similar compressor cool box models

BougeRV CRPRO 20 8.0/10 · €180 Alpicool NCF35 8.4/10 · from €169.99 WANNYTON 18L 8.0/10 · from €129.99 Alpicool Y16T 8.2/10 · from €118.99 WOLTU 30L Dual Zone 8.3/10 · from €149.99 Alpicool C9PT 9L 8.1/10 · from €106

Frequently asked questions about the Mobicool MCF40

Is −10 °C enough for freezing?

For frozen goods like chips or ice cream: NO, you need a box with −18 °C or colder (e.g. Alpicool CX40 or Dometic CFX3). But for 95% of all camping food (sausage, cheese, beer, water) −10 °C is perfectly enough, and even frozen goods can be kept briefly (1 to 2 days) at −10 °C.

How does the lifespan of Mobicool compare with Alpicool?

Mobicool belongs to the Dometic Group and has the Waeco heritage, and the boxes are reliable over the years. Alpicool is cheaper but younger on the market. Experience values: Mobicool 8 to 10 years, Alpicool 5 to 7 years.

How well does it work on solar power?

Very good. 0.28 kWh per 24 h = ~12 W on average. A 100 W solar panel + 60 Ah LiFePO4 battery is enough for off-grid operation in the summer season.

How loud is the MCF40 really?

At 49 dB it sits between a quiet household fridge and normal conversation. In motorhome sleeping mode clearly audible, but not disturbing.

Does it fit in the boot of a Skoda Octavia / Tiguan?

At 58 × 38 × 44.5 cm it fits in almost all estates and SUVs. Octavia estate: yes. Tiguan: yes. Polo/Fabia (small cars): upright yes, across could be tight.

What is the difference from the old Mobicool MCF32?

The MCF32 was 30 L and was replaced in 2022 by the MCF40 (38 L). Identical brand, identical compressor, larger volume. The MCF32 is being phased out, and the new standard is the MCF40.

8.3 / 10 · Lightweight · 11.5 kg

Verdict: is the Mobicool MCF40 worth it?

A solid option with a clear profile: if you can live with only down to −10 °C, from €230 you get mainly one thing: lightest 38 L box. It suits best: motorhome owners focused on efficiency.

If you want to compare alternatives, you will find detailed data and reviews on our compressor cool boxes comparison page.

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Mobicool MCF40: the lightest compressor cool box in the comparison