Found and bought this one for $219 from amazon....only the red one is legit super cold...holds at -40....all the other ones i found were -7 or -10...oh and it is a standard non fluctuating freezer....so will frost up but so small each to defrost in a few hours. definitely wanted to avoid a frost free freezer!The Ali knockoffs are taking 4-5 months for delivery from what I hear, and I can't vouch for quality since not many have gotten them.
IMO the way to go is ebay. Search for "Stirling ultracold". Always start with a lowball offer, these are plentiful on the used market. TAKE THE $90 ALLSTATE WARRANTY, just in case.
Stirling is the leader in small cryofreezers, and these are made tough enough for emergency services. They're $8-10k new.
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As an example, 2 left of these, asking $995, I'd offer $600.
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Stirling Ultracold ULT-25NE Portable Freezer | eBay
THIS UNIT IS IN GREAT CONDITION AND WORKING ORDER. INCLUDED ONLY WHAT IS SHOWN IN THE PICTURES.www.ebay.com
Alternatively, "ultracold freezer" will bring up a bunch of brand new units identical to the Alibaba models, at a premium. but with ebay protection and quicker delivery. ($899 is the cheapest I've seen on Ali, for reference).
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