This is a live sample report generated from a template — the same output you'd export as a PDF.

Sprinter van — 12V, 400W solar

NEC 690 / 706 / 710 — US off-grid, PV, energy storage

Bill of materials

1× Solar panel Renogy400 W

1× Charge controller Victron50 A

1× Battery Battle Born200 Ah @ 12 V

1× Fuse Blue Sea250 A

1× Inverter / charger Victron2000 W continuous

1× DC load —120 W

✓ NEC 690.8(A)(1) Charge controller rated ≥125% of PV short-circuit current.

✕ NEC 240.4 Fuse 250A exceeds the 200A ampacity of its 3/0 AWG conductor — protect the wire, not just the load.

! Design Inverter has no battery or busbar feeding it.

ℹ Best practice No battery monitor/shunt — recommended for accurate state-of-charge.

Design documentation only — not a P.Eng-stamped drawing. Verify with a licensed professional before installation.