There is three kinds of portable fridge keep cooling in the market.
2.Semiconductor car fridge
3.Insulation refrigerator(It can not keep cooling just Insulation)
But the best keeping cooing is compressor.And how to choose a up to -18℃ 12V compressor fridge freezer?
It all depend on compressor!
The heart of fridge is compressor ,we must be choose a famous and high efficient ,quantity compressor.
S40S Hoilingcool electric cooler for camping
Input voltage:DC 12/24V
AC voltage:AC 220V-240V
SECOP (former Danfoss) swing motor compressors are well know and of high quality. These manufacturers have designed the units for 12V touring purposes.
So choose Hoilingcool means choose right!