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Compact Freezers0.7 cu ft
20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK)
Model Series: 20L to 80L (multiple sizes available) Temperature Range: -86°C to -40°C (adjustable) Effective Capacity: 20L / 40L / 60L / 80L (optional) Cooling System: Direct cooling, cascade refrigeration Compressor: High-efficiency sealed compressor (110V/220V compatible) Voltage: AC 110V 60Hz / 220V 50Hz (auto-sensing or selectable) Display: Digital LCD, real-time temperature readout Insulation: High-density polyurethane foam, 150mm thickness Interior Material: 304 stainless steel, corrosion resistant Exterior Material: Powder-coated cold-rolled steel Door Seal: Silicone rubber gasket with easy-grip handle Mobile Design: Built-in casters + locking wheels for portability Refrigerant: Eco-friendly (CFC-free) Alarm System: Audible + visual alarm for temperature deviation, power failure Power Consumption: Approx. 120-200W (depending on model) Operation: Touch keypad + digital controller Recommended Use: Laboratory sample storage, vaccine preservation, biological materials, medical testing Important Note: After receiving the unit, let it stand upright for 24 hours before first power-on. Contact us immediately if any issue occurs.
Best price
$1,570
Price checked 07/16/2026 · lowest at Amazon
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Retailer prices
Prices and availability come from recent retailer feeds and validated cross-retailer matches. The retailer’s page shows the final price at checkout.
Why this one
Why the 20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK)
Holds more than you think
At 0.7 cu ft, there's room for roughly 9 cans — plus everyday drinks, snacks, and leftovers in one compact footprint.
Made to be a compact freezer
Compact frozen storage for small kitchens, garages, and second-freezer duty.
Figures above are derived from the manufacturer’s published specs; running-cost estimate uses the US average electricity rate and will vary by location and use.
Specifications
Key specs
Features
What stands out
Ultra-Low Temperature Down to -86°C – Delivers stable, adjustable temperatures from -40°C to -86°C, perfect for long-term storage of biological samples, vaccines, enzymes, and medical reagents in clinical labs or research centers.
Portable & Space-Saving Design – Available in compact 20L to 80L capacities. Built-in casters and lightweight construction allow easy movement between workstations. Ideal for small labs, field testing, or satellite clinics.
Digital LCD & Safety Alarms – Clear digital display shows real-time interior temperature. Visual/audible alarms alert you to temperature fluctuations or power interruption, protecting your precious samples 24/7.
Durable Construction & Energy Efficient – 304 stainless steel interior resists corrosion; high-density foam insulation maintains low temperature with minimal energy use. Cascade refrigeration system ensures fast pull-down and recovery.
Critical Starting Instruction – After unpacking, allow the freezer to stand upright for 24 hours before plugging in. This ensures proper oil return to the compressor and prevents damage. We provide immediate after-sales support – contact us if any problem arises.
Frequently asked
Product questions
Is the 20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK) a good fit for my space?
The 20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK) is a 0.7 cu ft compact freezer from ZkSangSure.
How much does the 20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK) cost?
The lowest current catalog offer is $1,570 at Amazon. Current direct retailer links on this page include Amazon. Final price and availability are confirmed on the retailer page.
What are the key size specs for the 20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK)?
Capacity is listed as 0.7 cu ft.
Which specs are available for the 20L-80L Portable Ultra Low Temperature Freezer -86℃ for Lab Sample Storage(20L-BK)?
The product record includes Model, Type, Capacity. Those fields come from the catalog/spec feeds shown on this page; MiniFridge.com does not invent ratings or reviews.
Overview
The full picture
Model Series: 20L to 80L (multiple sizes available) Temperature Range: -86°C to -40°C (adjustable) Effective Capacity: 20L / 40L / 60L / 80L (optional) Cooling System: Direct cooling, cascade refrigeration Compressor: High-efficiency sealed compressor (110V/220V compatible) Voltage: AC 110V 60Hz / 220V 50Hz (auto-sensing or selectable) Display: Digital LCD, real-time temperature readout Insulation: High-density polyurethane foam, 150mm thickness Interior Material: 304 stainless steel, corrosion resistant Exterior Material: Powder-coated cold-rolled steel Door Seal: Silicone rubber gasket with easy-grip handle Mobile Design: Built-in casters + locking wheels for portability Refrigerant: Eco-friendly (CFC-free) Alarm System: Audible + visual alarm for temperature deviation, power failure Power Consumption: Approx. 120-200W (depending on model) Operation: Touch keypad + digital controller Recommended Use: Laboratory sample storage, vaccine preservation, biological materials, medical testing Important Note: After receiving the unit, let it stand upright for 24 hours before first power-on. Contact us immediately if any issue occurs.
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