Sizing
Sizing a 12-volt fridge: what quarts actually hold
How to read a quart rating, what 16, 32 and 61 quarts hold in real groceries, and when a dual-zone box earns its price.
2,586 words · 12 sections · 11 min read
The journal
Long answers to the questions the spec sheet raises. Every figure in these guides comes from the catalogue or from a named source we read in full, with the date we read it.
Power
Running cold off-grid without killing the battery
Battery protection cut-offs, what a compressor draws, how long food stays safe when the power is off, and how to load a box so it works less.
2,533 words · 10 sections · 11 min read
Climate
What a BTU buys: matching portable AC to a room
Why the square-foot rating matters more than the BTU headline, what oversizing costs, and how the 3-in-1 modes divide the work.
2,535 words · 11 sections · 11 min read