DUPASU Electric Heated Lunch Box 1.8L
- Capacity: 60.9 fl oz
- Number of Compartments: 2
- Closure Type: Clip
- Material Type: Plastic, Stainless Steel
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
Built for cars and offices rather than quick reheating, this 3-in-1 voltage warmer holds a decent 1.8L per meal.
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ASIN: B0DG8KFCTJCategory: Lunch Boxes
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Overview
Plug this DUPASU lunch box into a car, truck, or wall outlet and its 100-watt base heats the 1.8-liter stainless steel container inside. It suits commuters, truck drivers, and travelers who want a hot meal without a microwave nearby.
The 3-in-1 voltage support sets this apart from a plain office food warmer, since it plugs into a car or truck outlet as well as a standard wall socket. The 1.8L stainless steel container is what heats; the included 0.45L side container is explicitly not meant for the heating base since it can melt, so it's for a cold side like salad only. Twenty to thirty minutes of warm-up time is the tradeoff for a box that heats without a full microwave-style element.
- 1.8L stainless steel main container
- 100W heating element
- 12/24V and 110-230V compatible
- Includes fork, spoon, and carry bag
Who it's for
Anyone eating away from a microwave on a regular basis, especially in a vehicle, is the target here. It's not the right pick for someone who wants food hot within a couple of minutes of plugging in.
Pros and cons
- Plugs into car, truck, or wall power
- 1.8L stainless steel container holds a full meal
- Dishwasher safe container, fork, and spoon
- Comes with an insulated carrying bag
- Needs 20-30 minutes to warm food through
- 0.45L side box can't go on the heating base
Performance notes
The 100W heating base warms the detachable stainless steel container directly, which is why the maker recommends plugging in 20-30 minutes ahead rather than expecting to warm food in a minute or two like a microwave. Supporting 12/24V alongside 110-230V is what lets the same unit plug into a vehicle's power outlet and a standard wall socket, covering a commute and a desk with one device. The separate 0.45L compartment is sized for a cold side dish, not a second hot portion, since the plastic isn't rated for the heating base.
Specifications
| Brand | Dupasu |
|---|---|
| Capacity & performance | |
| Capacity | 60.9 fl oz |
| Age Range Description | All |
| Construction & materials | |
| Material Type | Plastic, Stainless Steel |
| Color | Light Grey+Charcoal Grey |
| Included components | |
| Included Components | Bag, Plastic Case, Utensil |
| Other details | |
| Number of Compartments | 2 |
| Closure Type | Clip |
| Shape | Rectangular |
| Number of Items | 1 |
| Item Form | Box |
| Pattern | Solid |
| Product Care Instructions | Dishwasher Safe |
| Recommended Uses For Product | Home, Office, School |
| Theme | Car, Office, Outdoor, Work |
| Style Name | Portable |
Closest rivals on specs
Buddew Electric Heated Lunch Box 1.5L- Capacity 60.9 vs 50.7 fl oz (+20%)
HOTLOGIC Mini Heated Lunch Box- Capacity 60.9 vs 48 fl oz (+27%)
Carhartt Insulated Lunch Cooler 4 Can- Capacity 60.9 vs 47.3 fl oz (+29%)
Frequently asked questions
Can the DUPASU lunch box run in a car?
Yes, it supports 12V and 24V vehicle power in addition to 110-230V home or office outlets.
How long does the DUPASU electric lunch box take to heat food?
The maker recommends plugging it in 20-30 minutes before eating for the food to warm through.
Can I heat the salad container in the DUPASU lunch box?
No, the 0.45L salad box is not meant for the heating base and may melt.