Haier Mini ULT Portable Freezer −80°C , 15 L / 24V DC Capable vs Scientemp 80-21B Chest Freezer (21 cu ft), 230 V / 60 Hz
Which should you choose?
- ▸If budget is the priority, Haier Mini ULT Portable Freezer −80°C , 15 L / 24V DC Capable is the lower-cost option; Scientemp 80-21B Chest Freezer (21 cu ft), 230 V / 60 Hz lists higher and typically adds capability or capacity.
- ▸Temperature range: Haier Mini ULT Portable Freezer −80°C , 15 L / 24V DC Capable is "-60°C to -80°C" vs Scientemp 80-21B Chest Freezer (21 cu ft), 230 V / 60 Hz at "-45°C to -80°C (-112°F)" — match this to your application.
- ▸Capacity: Haier Mini ULT Portable Freezer −80°C , 15 L / 24V DC Capable is "15 L / 0.53 cu ft" vs Scientemp 80-21B Chest Freezer (21 cu ft), 230 V / 60 Hz at "21 cu ft" — match this to your application.
- ▸Different manufacturers (Haier Biomedical vs Scientemp) — both carry full manufacturer warranty through us.
Specifications side by side
| Spec | Haier Mini ULT | Scientemp 80-21B Chest |
|---|---|---|
| Model | DW-80WZ15 | — |
| Capacity | 15 L / 0.53 cu ft | 21 cu ft |
| Max power | 280 W | — |
| Sound level | 60 dB(A) | — |
| Cabinet type | Chest / portable | — |
| Power supply | 110 V / 60 Hz AC; 24 V DC | — |
| Certification | UL | — |
| Rack capacity | up to 10 two-inch boxes | — |
| Refrigeration | Direct cooling, HC refrigerant | R-134A high stage / R-508B low stage (two-stage cascade) |
| Temperature range | -60°C to -80°C | -45°C to -80°C (-112°F) |
| Exterior (W×D×H) | 690 × 320 × 500 mm | — |
| Net / gross weight | 27 / 33 kg | — |
| Cooling performance | −80°C | — |
| Controller / display | Temperature controller, LED | — |
| Type | — | Chest-style laboratory freezer |
| Alarm | — | Visual and audible |
| Class | — | Capital — laboratory freezer |
| Casters | — | 3" non-locking casters (locking available) |
| Defrost | — | Manual (cold-wall evaporator) |
| Insulation | — | Urethane foam |
| Compressors | — | High stage 3/4 hp / low stage 3/4 hp |
| Door / lock | — | Key-locking |
| Running amps | — | 8 A (230 V) |
| Voltage options | — | 230 V / 60 Hz, 230 V / 50 Hz (115 V not offered on this model) |
Highlighted rows differ. Specs are sourced from manufacturer documentation.
FAQ
- What's the difference between the Haier Mini ULT Portable Freezer −80°C , 15 L / 24V DC Capable and the Scientemp 80-21B Chest Freezer (21 cu ft), 230 V / 60 Hz?
- The main differences are in Model, Capacity, Max power. The table above shows every spec side by side; the decision guide highlights which fits which use case.
- Which should I buy?
- If budget is the priority, Haier Mini ULT Portable Freezer −80°C , 15 L / 24V DC Capable is the lower-cost option; Scientemp 80-21B Chest Freezer (21 cu ft), 230 V / 60 Hz lists higher and typically adds capability or capacity.
- Do both carry a warranty?
- Yes — both are sold through Legacy Lab Supplies as an authorized distributor and carry full manufacturer warranty.
Still deciding? Our team compares options with you — no pressure.