Are electric lunch boxes worth the money? An honest answer

By Editorial Team | April 2026

You only care about this category if your lunch problem is real: no microwave, no predictable break, and no interest in eating cold pasta again. That’s why some heated lunch boxes feel like gimmicks and others feel like a fix.

The short answer

Yes — if you regularly eat away from a kitchen and want to reheat proper food on your own schedule. The HeatsBox Go is worth it for that job, and overpriced if all you need is a cheap desk warmer.

What the price difference actually buys you

The cheap end of this category usually means weak heating, flimsy plastic, and a device that mostly takes the chill off. That’s fine if you’re only warming leftovers for 10 minutes at a desk, but it’s not the same as properly reheating lunch.

HeatsBox Go uses 100W bottom heating and is rated to reach 85°C, with a claimed heating time of 15 to 25 minutes. That matters because it puts this box in the “real meal warmer” camp, not the “lukewarm container” camp.

The other useful difference is the battery. Most plug-in lunch warmers still need a socket; this one is designed for cordless use, then you can trigger it manually or through the app. That gives you timing control instead of forcing you to build your break around an outlet.

The catch is obvious: battery life complaints show up in user feedback, along with long charging times. So you are paying for freedom from the wall socket, but also accepting more hassle than a simple plug-in model.

Our pick: HeatsBox Go — £129.99

The HeatsBox Go earns its score of 7.6 because it solves the actual problem better than the average heated lunch box. The 925 ml stainless steel insert feels grown-up, not disposable, and the leakproof removable bowl is a practical win for meal prep and cleanup.

Why it works:

• 100W heating and a 15–25 minute warm-up window are strong enough to reheat home-cooked food properly.
• The integrated rechargeable battery lets you heat lunch away from a socket, which is the whole point here.
• App control or manual start means you can time heating around your break instead of guessing.

Worth skipping if: you can use a microwave every day, or you just want the cheapest possible way to warm desk lunch.

If you want the cordless version of lunch convenience, buy the HeatsBox Go. If you do not need that, save your money.

Frequently asked questions

Do electric lunch boxes actually heat food properly? The better ones do, but only if they have enough wattage and a real heating element. Weak models mostly warm the edges and leave the middle frustratingly cool.

Is battery-powered reheating better than plug-in? Only if you are regularly away from sockets. Battery power makes the lunch box more useful, but it also adds cost, charging time, and another thing to manage.