GUIDES
Choose with a smaller margin of guesswork.
Four formats, one editorial standard: research-based, source-cited, no invented numbers. Pick the type that matches the decision you are trying to make.
Buying guides
57 PUBLISHEDMulti-product listicles that rank options for a specific job — power stations, water filters, radios, dehydrators and more.
Browse the setProduct reviews
COMING SOONDeep-dive assessments of a single model, built from manufacturer documentation and recognised standards.
Not yet publishedVersus comparisons
4 PUBLISHEDHead-to-head decisions — LiFePO4 vs NMC, filter vs purifier, power station vs generator — laid out as trade-offs.
Browse the setHow-to guides
COMING SOONProcedure walk-throughs: sizing a water store, maintaining a battery, planning a blackout kit, setting up solar.
Not yet publishedLatest buying guides
All buying guidesENERGY & SOLAR
Best Portable Power Stations for Home Backup
How to match capacity, output and recharge options to the circuits you actually need to keep running during a blackout.
Read the guideENERGY & SOLAR
Best Solar Generators for Camping
Lightweight solar-plus-battery kits ranked by pack size, runtime for camp lights and phones, and how quietly they run.
Read the guideWATER INDEPENDENCE
Best Water Storage Containers for Home Emergencies
Rotatable, food-grade water storage ranked by footprint, port weight, tap design and how easily you can actually drain and refill it twice a year.
Read the guideHow we write guides
Every guide on Spare Theory is researched against manufacturer documentation and recognised standards. Every pick links through to the retailer and the manufacturer's own specification. Figures we cannot verify are left blank rather than guessed.
Read our editorial standards