Your build
Work through the three calculators and this page adds them up: how much battery, how many panels, which inverter, and everything else the install needs.
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Start with what you need to run, and each step feeds the next.
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The three big parts
The rest of the system
Panels, an inverter and a battery are not a system on their own. This is what the plan above implies you still need - sizes depend on your run lengths, your local code and your inspector, so treat it as a shopping checklist to take to an electrician rather than a parts list to buy blind.
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Tools for the job
The list above is sized to your numbers, so take it to your electrician rather than to a checkout. These are not: a crimper is the same crimper whether the bank is 5 kWh or 50, so they are the one part of this page we can point you straight at.
BougeRV Solar Crimper Tool Kit with MC4 Connectors
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Brileine Hydraulic Crimping Tool for Battery Cable Terminals
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Coobeast 13-Piece Preset 1/4 in Drive Torque Screwdriver with S2 Bits
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Etekcity Infrared Thermometer with Laser, -58 to 1130 F
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Kaiweets KT301 AC Circuit Breaker Finder with GFCI Outlet Tester
Price as of Sep 20, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Kaiweets Self-Adjusting Wire Stripper and Crimping Tool, 10-24 AWG
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Klein Tools CL390 AC/DC Digital Clamp Meter, 400 A, TRMS
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.SURAIELEC Plug-In Watt Meter and Electricity Usage Monitor
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Yangou Ratcheting Cable Cutter for Copper and Aluminum Cable
Price as of Nov 4, 2026. Prices and availability change; check the retailer for the current figure.
Check price at Amazon →Affiliate link. We may earn a commission.Link copied - paste it anywhere to come back to these numbers.
Planning figures, not a design. These calculators give you ballpark numbers to shop and plan with. They are not an electrical design, they cannot see your site, your loads or your local code, and they may be wrong. This parts list is a shopping checklist to take to an electrician, not a bill of materials to buy blind. Wire sizing, over-current protection, grounding, rapid shutdown and interconnection must follow NEC 690 and your local code. Have any design checked by a licensed electrician before you buy or energize anything. You use these tools at your own risk.More on safety.