Every guide is backed by certified engineering spec sheets, KaTeX mathematical proofs, and real-world off-grid analysis.
The definitive free engineering guide to portable solar generators and home battery backup: sizing watt-hours, calculating solar panel arrays, LiFePO4 chemistry, transfer switches, and top vetted setups.
Everything homeowners need to know about the 30% Residential Clean Energy Credit (Section 25D) in 2026: eligibility for solar and 3kWh+ batteries, IRS Form 5695 filing, and audit-proof documentation.
Master the foundational electrical engineering principles behind solar power: Ohm's Law, Watts vs Watt-Hours, DC vs AC waveforms, and series vs parallel solar array calculations.
Enter the official Solar Lab community giveaway for a free GoTrax CTI 3 commuter e-bike, and learn how to charge electric bikes anywhere off-grid using portable solar generators.
Master the electrical engineering rules for running extension cords from portable power stations: wire gauge sizing, voltage drop math, coiled thermal runaway, and neutral-ground bonding.
Calculate exactly how many solar panels and battery capacity you need to run any refrigerator continuously off-grid, including real-world inverter tare losses, winter derating, and peak sun hours.
Real-world electrical measurements of residential and compact refrigerators: running watts, startup surge, daily kWh consumption, and component power breakdown.
Exact runtime calculations and bench test results for running full-size residential refrigerators and 12V portable freezers on 500Wh to 3,800Wh power stations.
Everything beginners need to know about solar inverters: how DC-to-AC conversion works, Pure Sine Wave vs Modified Sine Wave, string vs microinverters, and how to pick the right unit.