Why My 3-Way Refrigerator On 12v Doesn't Cool On The Road

GatorEgg · June 2020

Don't be scared off by the link title. This is a good explanation on why your newer car won't run the T@B refrigerator on the road. My 2003 Tacoma would make ice cubes in the T@B reefer while on the road. My 2019 not so. Newer cars have a "smart" alternator.

https://redarcelectronics.com/blogs/blog/install-dc-to-dc-battery-charger-ford-f150-truck-camper

(Title edited for clarity.)

Marceline · June 2020

To clarify for those new to T@Bworld: this applies only to T@Bs equipped with a 3way fridge. Alternators can keep up with the 3aH draw of a 2way (electric only) fridge, especially if it’s prechilled.

jkjenn · June 2020

GatorEgg said:

Don't be scared off by the link title. This is a good explanation on why your newer car won't run the T@B refrigerator on the road. My 2003 Tacoma would make ice cubes in the T@B reefer while on the road. My 2019 not so. Newer cars have a "smart" alternator.

https://redarcelectronics.com/blogs/blog/install-dc-to-dc-battery-charger-ford-f150-truck-camper

Yup. This is me.

Marceline said:

To clarify for those new to T@Bworld: this applies only to T@Bs equipped with a 3way fridge. Alternators can keep up with the 3aH draw of a 2way (electric only) fridge, especially if it’s prechilled.

Always a good reminder.

Tundra57 · June 2020

If you fit a 12 v charger (12v dc in ) this eill boost the TV voltage and charge the tab battery so your fridge will work fine. I have a tab 400 2019 and a 2010 Toyota Tundra.

Tundra57 · July 2020

@GatorEgg. The ACOPOWER charger I fitted works great. I did 1600 miles over 3 days with my fridge on 12v. I camped two nights. Whenever I stopped, the batteries were always full. Without it, they would be 3/4 - half depleted.

Why My 3-Way Refrigerator On 12v Doesn't Cool On The Road

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