Before you buy a 12V fridge or a power station, work out the number that matters.
A free 3-page checklist that makes you calculate your real daily power need — so you stop guessing and stop returning gear.
- The 5-step formula for your daily watt-hours
- 7 checks for the fridge, 8 checks for the power station
- The 24-hour test to run before your first trip
- A shortlist table to compare two or three models side by side
- 5 red flags that should stop you from paying
The Portable Fridge & Power Buying Checklist
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Fewer returns
Most returns in this category happen because the power number was skipped. This fixes that first.
Numbers, not hype
Watts, amp draw, usable Wh. The checks are the ones sellers tend to leave off the listing.
Built for real trips
Car camping, van life and RV. Designed for your worst realistic day, not a cool night with the lid closed.
Start with the numbers
Free sizing guides — no email needed to read them.
How much power does a 12V fridge really use?
One formula, plus the 25% buffer most people skip.
Battery sizingWhat size battery does a fridge need?
One day, two days or three days off-grid — in amp-hours.
Power stationsWhat size power station runs a fridge?
Rated versus usable capacity — and how many days you get.