Question 1

Does this only come with cigarette lighter adapter?  Or standard 2 prong us ac adapter?

Accepted Answer

My Alpicool C12 Mini Portable refrigerator/freezer came with a DC plug (for the car's cigarette lighter) and an AC adapter that plugs into the same spot on the refrigerator unit; that AC adapter uses a standard 2 prong US AC cable (it is not grounded).

Question 2

What is the difference between the K series and the C series?

Accepted Answer

K is newer, has a led light.

Question 3

What is the freezer compartment useful for? Can you make ice with it for drinks? Does it come with an ice tray?

Accepted Answer

It keeps things cold, very cold, if you want.  It does not come with an ice tray, but it will certainly make ice, if you put water in it.

Question 4

can it still operate while your car is off?

Accepted Answer

Yes, and it will NOT kill your battery...but please read.

1) You will need a 12V outlet that stays on even when the ignition is off.  Almost all cars have at least one outlet that is always live.  In some cars you may need to enable the feature.  If you can't find an outlet that stays live, check your car's owner's manual or call your dealer before doing anything else.

2) Another option is to find an unused 'accessory' line coming from your fuse block, or add a FUSED wire to your car's fuse block.  You need to make sure your fuse is the FIRST thing attached to the fuse block.  Do NOT attach any wires DIRECTLY to the battery -- this is quite dangerous and could cause a fire.

3) The unit will not kill your battery (unless you want it to!).  It has three different voltage threshold settings for "Low Battery Cut Out".  The default setting will always leave you with enough battery capacity to start your engine, but it can be raised or lowered for different applications -- for example in a boat with a dedicated "house' battery.  It would be a good idea to get your battery tested before leaving your car for long periods with the refrigerator plugged in.

4) The running time you get before the fridge goes into LBCO (turns off automatically) depends on (a) the size of your battery measured in amp-hours, (b) the ambient temperature inside the car and (c) the temperature you set for the fridge.  With a normal sized car battery in good condition (60-80 amp-hours), you should be able to keep food at 40-45 degrees for at least a full day if the temperature inside the car is below 80 degrees.  Bottom line, the more the compressor has to run, the more quickly it will reach the LBCO cutoff threshold.  The compressor will also run less if you keep the sun from beating on the unit and make sure the ventilation slots are not obstructed.

ASIN	B082SKVVBD
Additional Features	Compact
Annual Energy Consumption	165 kilowatt hours per year
Best Sellers Rank	#52,362 in Automotive ( See Top 100 in Automotive ) #70 in Automotive Interior Coolers & Refrigerators
Brand	Alpicool
Brand Name	Alpicool
Capacity	19 quarts
Color	white
Compressor Type	Brushless
Configuration	Compact Internal Freezer
Cooling Method	Compressor
Customer Reviews	4.2 out of 5 stars 213 Reviews
Defrost System Type	Automatic
Door Material Type	Plastic
Door Orientation	front
Finish Types	Matte
Form Factor	Chest
Fresh Food Capacity	18 liters
Included Components	handle
Installation Type	Freestanding
Item Dimensions D x W x H	13.2"D x 23"W x 9"H
Item Weight	21.4 pounds
Lock Type	Key
Manufacturer	Alpicool
Manufacturer Part Number	ALP-K-C-G
Model Name	K18
Model Number	K18
Number of Doors	1
Number of Items	1
Number of Sections	1
Number of Tubes	1
Pattern	Solid
Power Plug Type	Type A - 2 pin (North American)
Power Source	Battery Powered
Product Dimensions	13.2"D x 23"W x 9"H
Refrigerant	R-290 or R-600A
Refrigerator Net Capacity	1.5 liters
Series Number	18
Size	19 Quart
Special Feature	Compact
Specific Uses for Product	Outdoor activities, travel, and portable use
Specification Met	Energy Star
UPC	190372755919
Voltage	12
Warranty Description	1 year

Alpicool K18

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