Guides

Guides walk through the practical side of off-grid power: sizing a system, wiring it safely, and getting more out of the gear you already own. Each guide explains the calculations and trade-offs in plain language, then points to the equipment classes that fit. These are reference articles rather than product reviews.
Start here — core load how-tos and converters (pinned above the archive loop so new daily posts cannot bury them):

How-to guides hub
How to size a CPAP backup battery
How to size a battery for a 12V fridge
Transfer switch safety for a portable generator (UL 1008)
How to size a battery for a nebulizer compressor
How to size a battery backup for reptile heat mats and heat lamps
WaterLily turbine alternatives
Solar DC well pump path: suitcase Voc and 12–30 V sizing
How to size a power station for a mobility scooter or power chair charger
How to size a power station for an AC chest freezer
How to size a battery backup for an egg incubator
How to size an aquarium battery backup (filter + air + heater)