Welcome to the Learning Center!
Ballasted Ground Mounts: Tub Mounts vs. IntegraRack
Ballasted ground mounts compared: gravel-filled tub mounts vs. IntegraRack frames with EarthBallast. Shipping, tilt, snow and wind, and which fits your site.
EG4 WiFi Dongle Setup, Customer Code and Troubleshooting
Set up your EG4 WiFi or Ethernet dongle: our customer code, the EG4 app, 2.4 GHz WiFi checks, LED meanings, the US server check, and fixes for offline dongles.
How Many Batteries Do I Need? Battery Bank Sizing Guide
Size your battery bank in kWh, not battery count. Simple whole-home math, plus how depth of discharge, backup days and peak loads change what you need.
How Many Solar Panels Do I Need for My Alternative Energy System?
Size solar panels for your home with in-depth explanations and custom calculations.
How Many Watts Do My Appliances Use? Free Wattage Chart
Look up typical wattage for common appliances, then work out daily kWh from the label, amps and volts, or Energy Guide to size your solar or battery system.
How to Calculate Energy Usage From Your Monthly Utility Bill to Size Your Home Solar Power System
Learn how to read your monthly utility bill and calculate your daily energy usage to properly size a home solar power system, whether off-grid or grid-tied.
How to Crimp Battery Cables: Step-by-Step Guide With Photos
Crimp battery lugs that hold up: the tools you need, strip length, crimp placement, heat shrink and test fit, in 16 photo steps plus a video walkthrough.
How to Size a Solar Charge Controller and Lay Out Your PV Strings
Size an MPPT charge controller or all-in-one inverter: cold-weather Voc math, panels in series, charge current, and string layout for multiple MPPTs.
How to Wake a Sleeping LiFePO4 Battery | Charge a Fully Depleted Lithium Iron Phosphate Battery
Learn how to wake a sleeping LiFePO4 battery and charge a fully depleted lithium iron phosphate battery. Step-by-step fixes using chargers and power supplies.
Off-Grid and Grid-Tied Solar Systems – What They are and Why It Matters
Discover the difference between grid-tied and off-grid and what the benefits of each are.
Pytes V16 vs. EG4 WallMount 314Ah AllWeather: Outdoor 16kWh Batteries Compared
Pytes V16 vs. EG4 314Ah AllWeather: two heated, outdoor-rated 16kWh LiFePO4 wall batteries compared on cold charging, mounting, UL 9540 and warranty terms.
Series vs Parallel Batteries: Which Wiring Do You Need?
Series adds voltage, parallel adds amp-hours. See how to wire 12V, 24V and 48V LiFePO4 banks, avoid common mistakes, and balance batteries before connecting.
Solar Panel Shading Trainer: See How Shade Really Affects Your Array
Interactive training tool that teaches how shading affects solar panel performance. Drag shade across panels and learn how this affects your array in real time.
Why Your Battery Says 100% But Shuts Down - SOC Drift Explained
SOC drift from BMS current measurement limits causes lithium batteries to read full while actually drained. The problem scales with bank size. Here's the math and the fix.