Solar Electrical & Monitoring

The balance-of-system parts that decide whether an array performs. Every link goes straight to the maker — no marketplace middlemen.

Size it first

Solar Sizing Calculator

Daily kWh in, array kW, panel count, battery bank and inverter size out. Buy against your own numbers, not a guess.

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Victron Energy

SmartShunt & MPPT charge controllers

Bluetooth battery monitoring and charge control the off-grid trade actually installs.

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Renogy

Panels, charge controllers & kits

The entry point for DIY off-grid — matched panel/controller/battery kits.

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Rich Solar

Rigid panels & combiner boxes

Workhorse 100–200W rigid panels and the combiner hardware between array and controller.

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BougeRV

Cabling, connectors & portable panels

MC4 tooling, extension runs and adapters — the parts every install runs short of.

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MidNite Solar

Breakers, disconnects & combiners

The DC-rated breakers and disconnects an inspector wants to see.

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Other lists: Backup Power & Transfer · 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.