SubSun 27 Quart Electric Cooler & Warmer — Dual-Power 12/24V DC + 100–240V AC, Cools to 32°F/Heats to 140°F

The SubSun 27 Quart Electric Cooler & Warmer is a portable dual-power mini fridge that cools to 32°F or heats up to 140°F, sized to hold about 30 cans and engineered for car, RV, and home use.

This compact electric cooler combines a 27-quart capacity with both cooling and warming functions and supports 12V/24V DC plus 100–240V AC power. With thermoelectric technology, an ergonomic carry handle, and a quiet operating profile, it’s built for road trips, camping, truck drivers, and everyday portable refrigeration needs. Below you’ll find clear answers to common buyer questions so you can decide if this SubSun model fits your routine.

How cold or hot will this SubSun unit get, and how reliable is its temperature range?

The cooler manages temperatures from 32°F to 140°F, offering both refrigeration and warming modes. Cooling can reach up to 59°F below ambient conditions, while the heating mode keeps food warm without open flames or bulky appliances.

• Temperature span: 32°F–140°F for chilled or warmed items.
• Cooling capability: up to 59°F below surrounding air temperature.
• Thermoelectric system avoids compressors, lowering vibration and maintenance.
• Digital controls for quick temperature selection and monitoring.

Can I run the SubSun cooler in my car, truck, or at home?

Yes — this model supports both DC and AC power inputs, so it works from 12V or 24V vehicle outlets as well as standard 100–240V home sockets. The dual-power design makes it flexible for long road trips, RV stays, or keeping items cold at home when needed.

• Vehicle ready: connects to 12V/24V cigarette or auxiliary outlets.
• Home ready: plugs into 100–240V AC outlets for indoor use.
• Ideal for RVs, trucks, cars, camping, and emergency backup at home.
• Portable form factor with handle for quick transfers between locations.

How much can this 27-quart cooler hold and how is it organized?

The SubSun 27-quart interior fits roughly 30 standard beverage cans or multiple 2-liter bottles, plus snacks, prepared meals, and fruit. Its internal layout is designed to maximize usable volume while keeping items accessible during travel.

• Capacity: approximately 27 quarts / about 30 cans or several 2L bottles.
• Shape: rectangular interior optimized for bottles and stacked cans.
• Lightweight construction keeps total carry weight manageable.
• Sturdy lid and handle make loading and transport convenient.

Is the SubSun electric cooler quiet and energy efficient for overnight use?

The thermoelectric design eliminates a mechanical compressor, producing low noise and minimal vibration — rated at or below 39 dB in typical operation. That makes it suitable for cabin, bedroom, or in-cab use where quiet performance matters.

• Noise level: ≤39 dB for quiet operation in vehicles and small spaces.
• Compressor-free: reduced vibration and lower maintenance needs.
• Energy-efficient thermoelectric cooling for long runtimes on DC power.
• 1-year warranty and 24/7 customer support for service peace of mind.

Who is this product for? The SubSun 27 Quart Electric Cooler & Warmer is aimed at travelers who need versatile temperature control on the go: families on road trips, RV and van-lifers, truck drivers, campers, and anyone who wants a portable fridge that also heats. It’s also useful as a secondary fridge at home for dorms, offices, or temporary setups, offering dual power inputs and a quiet profile for varied environments.