Off-grid gear
Backup Power & Transfer
The hardware between a generator and a house that stays lit. Every link goes straight to the maker — no marketplace middlemen.
Size it first
Backup Power Calculator
Pick the circuits you keep alive and get generator kW, battery kWh and transfer-switch amps. Buy against your own numbers, not a guess.
Reliance Controls
Pro/Tran 2 transfer switches & inlet boxes
The standard manual transfer switch — six to ten circuits, code-legal backfeed prevention.
Visit Reliance ControlsGenerac
Home standby & portable generators
The reference brand for whole-house standby; portables with electric start and CO shutoff.
Visit GeneracChampion
Dual-fuel inverter generators
Propane-or-gas inverters that run quiet enough for a neighborhood outage.
Visit ChampionWestinghouse
Transfer-switch-ready portables
High-surge portables with 30A and 50A outlets that plug straight into an inlet box.
Visit WestinghouseInterlock Kit
Breaker-panel interlock kits
The budget alternative to a transfer switch — one sliding plate on the main panel.
Visit Interlock KitOther lists: Solar Electrical & Monitoring · Power Stations & Expansion · Water, Filtration & Sanitation · Connectivity & Comms
Links go direct to the maker. Some may earn Grid CEO a commission at no cost to you; nothing here was placed for pay, and no maker saw this list before you did.