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System Sizing
How Many Batteries Do I Need?
Simple calculations and in-depth details for calculating the battery bank size for your alternative energy system.
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?
Use our interactive wattage tool to calculate your energy usage and size your solar or battery backup system with confidence.
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.
Tutorials
How To Crimp Battery Cables
Proper lug connection to the battery cable reduces the risk of electrical hazards. It's important to crimp cables properly to achieve this goal.
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.
More
Customer Code for EG4 Inverter WiFi Dongle Ethernet Modem
Current Connected's monitoring code for EG4 18kPV, 12kPV, FlexBOSS, 12000XP, and 6000XP inverters.
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.
Series vs. Parallel Battery Connections Explained
Series vs. parallel battery connections, when to use each, and how to properly balance your LiFePO4 battery bank for 12V, 24V, and 48V systems.
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.