September 15, 2026 Dean Horton

Low Wattage Air Fryer for a Caravan: What 900W Actually Cooks

"Low wattage" is a phrase used loosely in camping retail. In practice, for a caravan on a UK hook-up, it means under 1,000W. That is the line at which an appliance can coexist with a running heater on a 10A pitch without tripping the supply. A 900W air fryer sits just under it. A 1,200W one does not.

The obvious follow-up question is what you give up. Does 900W cook properly, or does it just take twice as long? Here is what the figure actually buys you.

Why 900W is the useful number

Air fryers work by circulating hot air fast around a small chamber. Because the chamber is small, the wattage needed to hold a temperature is far lower than for a conventional oven heating a large cavity. A 900W element in a 2 litre basket reaches and holds 200°C without difficulty. The same 900W in a full-size oven would not get close.

So the wattage is not really a measure of cooking ability. It is a measure of chamber size. A low-wattage caravan air fryer is not a weakened appliance, it is a small one.

The Mestic Air Fryer MA-300 is rated 900W with a 2 litre basket, adjustable up to 200°C, a timer to 60 minutes and overheating protection. At 230V that is roughly 3.9A, leaving around 1,400W spare on a 10A pitch.

What a 2 litre, 900W basket really cooks

Food	Realistic capacity in one pass
Chips or wedges	Enough for two, in a single layer
Chicken thighs or drumsticks	Three to four pieces
Sausages	Four to six, depending on size
Bacon	Four rashers laid flat
Roast vegetables	A two-person side
Part-baked bread or rolls	Two to four rolls
Reheated pastries or pies	Two

The constraint is floor area, not power. Air fryers cook by air contact, so anything piled up cooks unevenly. Filling the basket halfway and shaking it once gives noticeably better results than cramming it, whatever the wattage.

For four people the practical approach is to cook in two rounds and keep the first round warm. Because the chamber is small it reheats in a couple of minutes between batches, so the second round is quick.

What it does not do well

Anything requiring a large flat tray. There is no room.
Wet cooking. It roasts and crisps, it does not braise, boil or simmer. You still need a hotplate or gas ring for that.
A whole chicken. A 2 litre basket will not take one.
Batch cooking for a group in one go.

If you need a pan on the go at the same time, pair it with the 750W Single Hotplate MKT-120. Together they draw 1,650W, which fits a 16A pitch comfortably and a 10A pitch if nothing else heavy is running.

How it compares against higher-wattage models

Rating	Current at 230V	Spare on a 10A pitch	Verdict for caravan use
900W	3.9A	around 1,400W	Works alongside a heater on low
1,200W	5.2A	around 1,100W	Workable but tight in winter
1,500W	6.5A	around 800W	Effectively your only appliance
1,800W	7.8A	around 500W	Likely to trip once the van's own load is counted

The extra wattage in a domestic model buys a bigger basket, not better cooking. In a caravan you do not have the space for the bigger basket anyway, so you are paying in electrical headroom for capacity you cannot use.

Cooking times at 900W

Lower wattage does add time, but less than people expect, because the chamber is small and reheats quickly between batches. As a rough starting point:

Food	Temperature	Approximate time
Frozen chips	200°C	15 to 20 minutes, shaken once
Sausages	180°C	12 to 15 minutes, turned once
Bacon	180°C	7 to 10 minutes
Chicken thighs	190°C	20 to 25 minutes
Roast vegetables	190°C	15 to 20 minutes
Part-baked rolls	180°C	5 to 8 minutes

Treat these as starting points and check rather than trusting the clock, as basket loading changes everything. The 60 minute timer on the MA-300 covers all of the above with room to spare.

What it costs per meal

A 900W appliance uses 0.9 kWh per hour of running. A typical 20 minute cook is therefore 0.3 kWh. At an example metered rate of 30p per kWh that is 9p. Even at the top of the range, a 45 minute roast is about 0.68 kWh.

Set against a 1,500W heater running all evening at 1.5 kWh per hour, the cooking is a rounding error. If you are trying to reduce a metered electricity bill, the heater setting is the lever, not the air fryer.

The winter argument

From October onwards your heater is on for most of the evening, and that is where the case for low wattage becomes decisive. A ceramic heater on its 1,500W setting plus a 900W air fryer is 2,400W, just over a 10A pitch. Drop the heater to 750W while you cook and you are at 1,650W with room to spare. Try the same with an 1,800W air fryer and even the heater on its lowest setting puts you over.

That is the practical reason caravan owners end up with a small air fryer rather than bringing the one from home.

Storage and travel

At 2.3 kg the MA-300 is light enough to lift into an overhead locker, but it is a rigid box and it needs a home. The usual arrangement is to store it in a floor locker or under a fixed bed, wedged so it cannot move in transit. Do not store it with the basket loose inside, as the rattle will mark the housing.

Let it cool completely before packing it away after a meal, and make sure the basket is dry. Anything left damp in a closed locker over a wet weekend will smell by the next trip.