One-pan shared-kitchen cooks
If you make vegetable stir-fry in one wok or frying pan, a portable hob needs to fit both your cooking space and the place where you store it between meals.
Who this choice affects
Cookware-first buyers
If you already own a wok or frying pan, check its magnetic base and usable base diameter before choosing a hob around it.
Two-pan meal preppers
If you regularly cook noodles, rice or sauce alongside your vegetables, a second zone may be useful, provided the larger unit fits your shared kitchen.
What to check before buying
Portable single-zone hob
Choose it when: You normally stir-fry in one pan and need to clear the worktop after cooking.
Trade-off: You cannot cook a second pan on the unit at the same time.
Portable double-zone hob
Choose it when: Preparing a second pan alongside the stir-fry is a regular part of your meals.
Trade-off: It needs more worktop and storage space; check the unit's total power rating and your socket arrangement.
Existing shared-kitchen hob
Keep using it when: An available cooking zone meets your needs, or house rules do not permit another appliance.
Trade-off: You may need to plan cooking around other users rather than having a portable zone of your own.
| Concern | What to check | Who this matters to |
|---|---|---|
| Controllable heat | Look for adjustable power or temperature settings; a stir-fry preset does not replace attentive cooking. | If I need to adjust the heat as vegetables cook, I want controls I can change without relying on a preset. Around 36% of consumers put heat control first. |
| Wok and pan compatibility | Test the outside of the base with a magnet, then compare its usable diameter with the hob maker's pan-size guidance. | When I already own a wok, I want to use it rather than discover that its base is unsuitable after buying the hob. Cookware fit is the primary need for around 29% of consumers. |
| Shared space and electrical use | Check dimensions, storage space, house rules and the available socket; avoid running several high-wattage appliances on one circuit at once. | I need to cook without taking over the communal worktop or creating a conflict over appliance use. Around 21% of consumers place shared-kitchen practicality first. |
| Second-pan capacity | Decide whether you regularly use two pans simultaneously before making room for a double-zone unit. | If I prepare sauce or noodles while stir-frying vegetables, a second cooking zone changes what I can make at the same time. For around 14% of consumers, two-pan capacity is the main priority. |
Buying pitfalls
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Assuming every wok works on induction
Induction needs a magnetic pan base, and a base that is too small may not be detected by a particular hob.
Try a magnet on the outside of the base and compare the usable base diameter, not just the rim, with the chosen hob's guidance.
An unsuitable existing pan may mean you need a compatible one.
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Choosing two zones for a one-pan meal
A double hob uses more shared worktop and storage space without adding a cooking task if your stir-fry normally uses one pan.
Measure the place where you would use and store the unit. Choose a second zone when you regularly need to cook another pan alongside the vegetables.
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Leaving a preset to run unattended
Tefal's guidance for its IH201840 says not to leave the appliance unattended; it warns that small amounts of liquid can boil dry during a programmed cycle.
Stay with the hob, avoid heating empty cookware and switch it off when cooking is finished.
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Overlooking electrical-product safety details
A 2025 Office for Product Safety and Standards report assessed a particular portable induction cooker as presenting a serious fire risk because of a counterfeit, non-compliant fuse link. That finding concerns the reported product, not every portable hob.
Use a seller you can identify, inspect the plug and cable on arrival, and check official product-safety alerts if a listing or model raises concerns.
Relevant brands to consider
Tefal
The portable, single-zone IH201840 is a reference point for cooks looking for manual settings and a stated stir-fry function.
- Tefal UK specifies up to 2100 W, nine power levels and six cooking functions for the IH201840.
- Tefal's pan-size information differs between sections of its product page, giving 12–24 cm in one place and 12–26 cm in another. Check the current manual or listing against your pan's base before ordering.
Judge
Judge lists both the compact JEA90 single hob and the larger JEA92 double hob, allowing a format choice based on how many pans you regularly use.
- Judge Cookware specifies a 2000 W rating, 2.4 kg weight and selectable temperatures from 60°C to 240°C for the JEA90.
- The JEA92 is listed at 55 cm long, 5.02 kg and 3100 W total rated power; allow for its size and check the shared kitchen's electrical arrangement.
Lakeland
Lakeland's Smart Touch single hob illustrates a slim format with a stated stir-fry preset and 200–2000 W settings.
- The model's listed features include no-pan and dry-burn protections.
- Lakeland marked this model as discontinued and states that it is not suitable for people with a pacemaker. That warning is specific to this model.
Joybuy products for one-pan cooking
This portable single-zone option is relevant if you usually make a one-pan vegetable stir-fry and need to put the hob away after cooking. Check your cookware and the space available in your shared kitchen before choosing it.
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ochama 2000 W Portable Induction Hob, 10 Settings
For one-pan vegetable stir-fries where a portable hob can be put away after use.
The listing describes 10 power settings, six functions including a stir-fry preset, a safety lock and a requirement for ferromagnetic cookware. Check that your pan's base fits the hob's requirements and that the unit fits your worktop and storage space. Keep the hob attended during use; its panel can become hot.
Common questions
Will my existing wok or frying pan work on a portable induction hob?
It may work if its base is magnetic and falls within the hob's usable pan-size range. A fridge magnet sticking to the outside of the base is a useful first check, but it does not guarantee that every hob will detect that pan; compare the base, rather than the rim, with the maker's guidance.
Can I leave a stir-fry running on a preset?
No: a preset is not a reason to leave the hob unattended. Tefal's guidance for the IH201840 warns that small quantities of liquid can boil dry before a programmed cycle ends, so stay with the pan and switch the hob off when finished.
Does a portable hob in a shared kitchen need an annual PAT test?
An annual PAT test is not a universal requirement established by the Health and Safety Executive's workplace guidance, which does not prescribe a fixed testing frequency. That guidance does not settle the rules for your home or accommodation: check your tenancy, university accommodation or shared-house appliance policy.
What product-safety checks matter before ordering?
Check who is selling the hob, inspect its plug and cable on arrival, and look up official safety alerts if you have concerns about a particular model. The Office for Product Safety and Standards reported a serious fire risk in one portable induction cooker in 2025 because of a counterfeit, non-compliant fuse link; that report does not establish a finding about other models.