On this page
The short answer on electric cooler vs portable refrigerator designs: pick the thermoelectric cooler when you want a light 4L unit that both cools and warms, and pick a portable refrigerator when you want compressor cooling with a stated temperature range. We compared one electric cooler and two portable refrigerators on what each listing states: capacity, cooling method, stated temperature figures, power options and warranty terms. The Electactic states 3.2 cu ft with a compressor and 37°F to 61°F control; the Cooluli and CROWNFUL state 4L thermoelectric cooling and warming.
SolarKitHQ earns a commission when you buy through links on this page, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
Electric Cooler vs Portable Refrigerator: side by side
| Electric Cooler vs Portable Refrigerator | Electactic 3.2 Cu Ft Fridge | Cooluli 4L Cooler and Warmer | CROWNFUL 4L Mini Fridge | Amazon |
|---|---|---|---|---|
| Side | Portable refrigerator | Electric cooler | Portable refrigerator | |
| Capacity | 3.2 cu ft / 130 cans | 4 liters / 6 cans | 4 liters / 6 cans | |
| Cooling method | Compressor | Thermoelectric | Thermoelectric | |
| Cooling stated | 37°F to 61°F | 40-45°F below ambient | 10-20°C below ambient | |
| Warming stated | Not stated | 122°F to 144°F | Up to 149°F | |
| Power options | 115V | AC, DC and USB cords | AC and 12V | |
| Size | 17.91 x 17.6 x 31.1 in | 7.25 x 10.25 x 10.75 in | 5.33 x 6.05 x 7.96 in | |
| Weight | 48.3 lb | 4 lb | 4.4 lb | |
| Certification | ETL | ETL | ETL | |
| Warranty | 1 year | 1 year | 1 year |
Specifications are manufacturer rated as listed, collected 22 October 2026.
Capacity and cooling method
The Electactic is the outlier on size: 3.2 cu ft stated to hold 130 standard cans, with a high-performance compressor and a glass door. The Cooluli and CROWNFUL are both 4L units stated to hold 6 cans, both using thermoelectric semiconductor cooling rather than a compressor. The Electactic is also the heaviest figure stated here at 48.3 lb, against 4 lb for the Cooluli and 4.4 lb for the CROWNFUL.
Cooling and warming figures
The Electactic states precise control from 37°F to 61°F. The Cooluli states cooling 40°F to 45°F below ambient and warming 122°F to 144°F. The CROWNFUL states cooling 10°C to 20°C below ambient and warming up to 149°F (65°C), with a note that at a room temperature of 50°F it can reach 33.8°F and at 104°F it reaches 64°F. Both 4L units cool relative to ambient; only the Electactic states an absolute temperature range.
Power options and noise
The Cooluli includes AC, DC and USB cords. The CROWNFUL states plugs for standard home outlets and 12V car chargers, though its included-components line lists only the AC cord; the bullets win. The Electactic states 115 volts. The CROWNFUL states a 25 dB sleep mode fan; the Cooluli calls its semiconductor operation ultra-quiet without giving a figure.
What the listings leave unclear
The Cooluli bullets state 4 lbs and 7.25 by 10.25 by 10.75 inches, while its spec table lists 1.9 kg and 7.7 by 10.2 by 10.5 inches; the bullets win. The CROWNFUL title says White and the spec table agrees on color, but its model number reads CF-PC4LBLK against a part number of CF-PC4LWHT. The Electactic bullets state 5 adjustable wire racks while the spec table lists both 5 and 4 shelves. None of the three states a wattage draw.
Three examples
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 |  Electactic 3.2 Cu Ft Fridge | 9.7/10 | Buy on Amazon |
| 2 |  Cooluli 4L Cooler and Warmer | 9.7/10 | Buy on Amazon |
| 3 |  CROWNFUL 4L Mini Fridge | 9.6/10 | Buy on Amazon |
Electactic 3.2 Cu Ft Fridge
A 3.2 cu ft beverage refrigerator stated to hold 130 cans, with compressor cooling from 37°F to 61°F, a glass door and LED lighting.
Pros
- 3.2 cu ft stated to hold 130 standard cans
- Compressor cooling with a stated 37°F to 61°F range
- Glass door with LED lighting and 5 adjustable wire racks
- ETL stated and a 1 year warranty
Cons
- 48.3 lb, the heaviest figure stated here
- Bullets state 5 racks while the spec table lists both 5 and 4 shelves
- No warming figure is stated
- No wattage draw is stated
Detailed Review
The Electactic listing states a 3.2 cu ft beverage refrigerator that holds 130 standard cans, with a high-performance compressor, precise temperature control from 37°F to 61°F, a glass door, LED lighting and 5 adjustable wire racks. It is listed at 17.91 by 17.6 by 31.1 inches and 48.3 lb, uses R-600A refrigerant, states ETL and a 1 year warranty. One wrinkle: the spec table lists both 5 and 4 shelves; the bullets state 5 adjustable wire racks, so the bullets win.
Who it's for: buyers who need the largest stated capacity here with set temperatures. Who should skip it: anyone who needs a warming function or a unit light enough to carry by hand.
Its Solar Score of 9.7/10 comes from performance 32/35, build 20/25, value 20/25, safety 7/10 and warranty 3/5: 82 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 3.2 cu ft / 130 cans |
|---|---|
| Cooling | Compressor, 37°F to 61°F |
| Size | 17.91 x 17.6 x 31.1 in |
| Weight | 48.3 lb |
Figures as published on the retailer listing, collected 22 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. ETL stated; R-600A refrigerant, so safety scores 7 of 10. 1 Year Warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Cooluli 4L Cooler and Warmer
A 4L thermoelectric cooler and warmer stated to hold 6 cans, cooling 40 to 45°F below ambient and warming 122°F to 144°F, with AC, DC and USB cords.
Pros
- Cools and warms: 40-45°F below ambient, 122°F to 144°F
- AC, DC and USB cords included
- 4 lb with a 4L / 6 can capacity
- ETL stated and a 1 year warranty
Cons
- Bullets state 4 lb and 7.25 x 10.25 x 10.75 in; the spec table lists 1.9 kg and 7.7 x 10.2 x 10.5 in
- Cooling is relative to ambient, not a set temperature
- No wattage draw is stated
- 4L is the smaller stated capacity here
Detailed Review
The Cooluli listing states a 4L thermoelectric cooler and warmer that holds 6 cans, with semiconductor operation, cooling 40°F to 45°F below ambient and warming 122°F to 144°F. It includes AC, DC and USB cords, measures 7.25 by 10.25 by 10.75 inches per the bullets, weighs 4 lbs, states ETL and a 1 year warranty. One wrinkle: the spec table lists 7.7 by 10.2 by 10.5 inches and 1.9 kg; the bullets win.
Who it's for: buyers who want a light unit that both cools and warms with three power options. Who should skip it: anyone who needs a set temperature or compressor cooling.
Its Solar Score of 9.7/10 comes from performance 29/35, build 21/25, value 21/25, safety 7/10 and warranty 3/5: 81 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 4 liters / 6 cans |
|---|---|
| Cooling | Thermoelectric, 40-45°F below ambient |
| Warming | 122°F to 144°F |
| Power | AC, DC and USB cords |
Figures as published on the retailer listing, collected 22 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. ETL stated, so safety scores 7 of 10. 1-year warranty as standard stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
CROWNFUL 4L Mini Fridge
A 4L mini fridge stated to hold 6 cans, cooling 10 to 20°C below ambient and warming to 149°F, with a stated 25 dB sleep mode.
Pros
- Cools and warms: 10-20°C below ambient, up to 149°F
- 25 dB sleep mode stated
- Carry handle and detachable shelf
- ETL stated and a 1 year warranty
Cons
- Bullets state AC and 12V plugs but included components list only the AC cord
- Title says White but the model number reads CF-PC4LBLK
- Cooling is relative to ambient, not a set temperature
- No wattage draw is stated
Detailed Review
The CROWNFUL listing states a 4L mini fridge that holds six 12 oz cans, with thermoelectric cooling 10°C to 20°C below ambient and warming up to 149°F (65°C). It states a brushless fan with a 25 dB sleep mode, a carry handle, a detachable shelf, ETL certification and a 1 year warranty. Two wrinkles: the title says White while the model number reads CF-PC4LBLK, and the bullets state AC and 12V plugs while the included-components line lists only the AC cord; the title and bullets win.
Who it's for: buyers who want a quiet 4L unit with warming for a desk, dorm or car. Who should skip it: anyone who needs a set temperature or a stated compressor.
Its Solar Score of 9.6/10 comes from performance 29/35, build 20/25, value 20/25, safety 7/10 and warranty 3/5: 79 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 4 liters / 6 cans |
|---|---|
| Cooling | Thermoelectric, 10-20°C below ambient |
| Warming | Up to 149°F (65°C) |
| Noise | 25 dB sleep mode |
Figures as published on the retailer listing, collected 22 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. ETL certified stated, so safety scores 7 of 10. 1 year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Follow the manual. Connect and use the product as the maker describes, stay within every stated rating, and read the manual before first use.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
How we scored them
The Solar Score weighs performance, build, value, safety and warranty. For coolers, safety means stated certifications and electrical safety features; all three state ETL. All three state a 1 year warranty. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| Electactic 3.2 Cu Ft Fridge | 9.7 | 32 | 20 | 20 | 7 | 3 |
| Cooluli 4L Cooler and Warmer | 9.7 | 29 | 21 | 21 | 7 | 3 |
| CROWNFUL 4L Mini Fridge | 9.6 | 29 | 20 | 20 | 7 | 3 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
Electric Cooler vs Portable Refrigerator: Which Should You Buy?
Choose the Cooluli electric cooler if you want the lightest unit here that also warms, with AC, DC and USB cords in the box. Choose the CROWNFUL if you want a 4L fridge with a stated 25 dB sleep mode and warming to 149°F. Choose the Electactic if you need real capacity: 3.2 cu ft for 130 cans with compressor cooling from 37°F to 61°F. For more on cooler types, see the electric cooler vs mini fridge guide and the 12V cooler vs 12V refrigerator comparison.
| If you need | Look at |
|---|---|
| Lightest unit that also warms | Cooluli 4L Cooler and Warmer, 4 lb, 122°F to 144°F |
| Quietest stated operation | CROWNFUL 4L Mini Fridge, 25 dB sleep mode |
| Largest stated capacity | Electactic 3.2 Cu Ft Fridge, 130 cans |
| Compressor with set temperatures | Electactic 3.2 Cu Ft Fridge, 37°F to 61°F |
Sizing Notes
- Match the stated capacity to the load: 130 cans (Electactic) or 6 cans (Cooluli, CROWNFUL).
- Check the stated dimensions against the space: the Electactic is 17.91 by 17.6 by 31.1 inches and fits under countertops per the listing.
- Match the power source to the outlet: 115V (Electactic), AC, DC and USB (Cooluli), AC and 12V (CROWNFUL).
- Keep contents within the stated figures: 37°F to 61°F (Electactic), 40 to 45°F below ambient cooling (Cooluli), up to 149°F warming (CROWNFUL).
Frequently Asked Questions
Which cooler here uses a compressor?
The Electactic. The Cooluli and CROWNFUL state thermoelectric semiconductor cooling.
Can these units warm food?
The Cooluli states warming from 122°F to 144°F and the CROWNFUL up to 149°F. The Electactic states no warming figure.
What power cords are included?
The Cooluli includes AC, DC and USB cords. The CROWNFUL bullets state AC and 12V plugs, though its included-components line lists only the AC cord. The Electactic states 115 volts.
Which listings state ETL?
All three. The Cooluli, CROWNFUL and Electactic listings each state ETL.
Related guides
See every Camping and Emergency Gear guide and all Power Stations and Generators guides. Also see the electric cooler vs mini fridge guide and the 12V cooler vs 12V refrigerator comparison. Also see our best 12V cooler bag, best electric cooler for RV, best 12V refrigerator for truck, best portable refrigerator for ice fishing and 12v freezer vs 12v refrigerator.
