Backup power guides
Sizing and battery basics
Kilowatt-hours, output, runtimes and battery chemistry, worked through step by step.
Guides for Sizing and battery basics are on the way.
More guides
Whole-home batteries Powerwall, Enphase, FranklinWH and more: wired-in batteries that back up your home. 
Portable power stations EcoFlow, Jackery, Anker SOLIX and Bluetti: plug-in backup for the essentials. 
Solar and batteries Solar generators, panels with power stations and batteries with rooftop solar. 
Batteries vs generators Whole-house generators, costs and runtimes, and how they compare with batteries. 
Installation and incentives Transfer switches, what an electrician does, and tax credits and rebates from official sources.