Build your off-grid solar system
Pick parts across brands. Every compatibility check shows its math. Save to get a shareable link.
= -13F. Coldest clear morning your site sees; cold raises panel voltage.
Solar array
Panels + how they are wired (series x parallel)
Charge controller
MPPT/PWM between array and battery
Battery bank
Identical batteries in parallel
Inverter / all-in-one
DC to AC. All-in-one units include the charge controller.
Wire runs
One-way distances for wire and fuse sizing.
Add an array, battery, and inverter to get wire and fuse guidance.
Add components to run compatibility checks
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