Session 2 · Paid Deep-Dive
Off-Grid Solar Sizing from Scratch
The Solar Prescription Method — 60 minutes. You leave with actual numbers for your actual system. Not theory.
What Session 2 Covers
Everything to Design Your System Correctly
Complete Load Calculation
Every appliance, every hour — no guessing.
Battery Sizing with DoD & Autonomy
Size correctly for your usage pattern and days of backup.
Panel Sizing with Real Irradiance Data
Using NREL PVWatts data for your exact location.
Cable Sizing & Voltage Drop
The step most DIYers skip — done right the first time.
12V vs 24V vs 48V Decision
When to use which voltage — with field-based examples.
MPPT Controller Sizing
Correctly matched to your panel array — not over or under.
LiFePO4 vs AGM Comparison
Which battery chemistry is right for your use case and budget.
Included Solar Prescription Worksheet
Take-home sizing template for your own use after the session.
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Limited to 20 Participants — Satisfaction Guarantee
Every question gets a proper answer. If the session doesn’t meet your expectations, we’ll send you the full recording at no charge and refund your spot.