Lsgoodcare 120W Semiconductor Refrigeration Cooler Kit DIY Peltier Cooler 12V TEC1-12706 Peltier Heatsink Module kit Thermoelectric Peltier Water Cooling System for DIY Car Electronic Refrigerator

Trying to figure out a project for this. I connected it to a small 12v battery and it got pretty cool. I could make a small fridge or a water chiller, who knows. It’s pretty compact so lots of places this could fit.

I wanted to add this as a bit of clarification on this item. I feel, based on the reviews some are attempting to use this item as a radiator in their cooling systems. (To expel heat)Although, I believe this is referred to as as "cooler", because it is used to eject cool air from the finned & fan side of the Peltier.The water block is being used as the heat sink in this system. To move the heat away from this unit and to a radiator unit for cooling in the cycle. This is why the fans are blowing air out versus toward the heatsink. Think of it more like an AC unit and not a CPU cooler for a computer.Radiator units are typically larger coils type unit with 120mm or 80mm fans. That would be why these fans are relatively small. They are only trying to blow out the cooled air across the cool side of the unit.

There is another review of this listing by Paul A Pongratz that I copied/quoted because it perfectly described my experience."Overall, I can't say I'd recommend this device to anyone for any use. The good intentions are visible but the function is totally lacking. This is honestly a worthless product."

All the design elements are present. The water block is actually pretty well manufactured and is acceptably coupled to the two Peltier devices (Thermo Electric Coolers; aka TECs)Of course there are the two fans and a heatsink - so all the elements of a proper cooler are present...and everything operates on 12vdc, so we're off to a good start.But there are many problems. Let's start at the top;•The fans are pushing air in the wrong direction! In the photo, I have reversed the fans to get the proper airflow.•The output of the fans is no where near sufficient to remove the alleged 120 watts of heat that the device needs to dissipate to be even slightly functional.•The heatsink is not properly sized to dissipate the heat that the TECs generate when connected in a configuration to cool the water block. •If the TECs are connected to the power supply by observing the red as positive and the black as negative, the device will actually heat the water block instead of cooling it. Polarity must be intentionally connected in reverse to achieve cooling - this could have been avoided by installing the TECs with the correct side facing the water block as is common practice.When I tested the device as it was sent to me, I was unable to lower the temperature of the water I was circulating through the water block by more than 8° Fahrenheit below ambient (72° F is ambient in my shop)Knowing that a TEC is capable of a temperature delta -30° from ambient - and there are two TECs in this assembly - it becomes obvious that the heatsink's surface area is inadequate to achieve what the TECs are capable of in an average installation.The water I circulated through the water block was at 72° F when it enteted the water block and the flow rate was 500mL/min - quite a low rate of water flow - just so you know I wasn't pushing any boundaries in thermal transfer.Overall, I can't say I'd recommend this device to anyone for any use. The good intentions are visible but the function is totally lacking.I have designed, prototyped and brought many TEC devices to market over the past 30 years so I do have some experience with this type of equipment. I'm retired since 2016 and decided to try this device for better or worse - take my comments as you will. This is honestly a worthless product.

I have used peltier modules before so knew what to expect.The advertising does paint a bit of a glowing picture.The whole module is quite well built and when used within normal ambient temperatures achieved a reasonable drop in temperature with flowing water. I rigged it up to a temperature controlled system, the fans were kept running with the peltier modules being controlled. There was a lot of lag but eventually settled down to a reasonable amount of control.Remember you need a fairly hefty power supply, 12v 9A minimum. These modules actually work at 14v for maximum temperature difference between the plates but sourcing a 14v supply is not so easy.Price wise I am very happy. Each peltier module would cost about £6 so 2 of those plus 2 fans plus the metal work. For me it was a no brainer, not only price wise but time saving not having to build it.

This is a compact device which seems well made. The water tank has inlet and outlet to cool the water you pump through it.Connection is easy enough, although you need a decent supply. Mine draws over 100W (around 8.6A), although it's more efficient at just over 12V where the current goes down. Most will keep it at 12V though.The Peltier unit does it's job with the fans taking the heat away good enough for light use. You'll do well to have bigger fans for more efficient operation. I put an old PC cooling fan and heatsink on it to improve matters.I've managed to go from 5C drop using the current fans to 15C drop using bugger fans/heatsink, so the unit is capable, just undercooled.