Foundation Guides
Complete battery storage guides from beginner basics to advanced off-grid systems.
Saltwater and Flow Battery Guide for Home Storage
Saltwater and flow batteries chase the one corner LiFePO4 handles worst: long-duration storage — many hours to days of deep…
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Off-Grid Load Calculation: Building an Honest Energy Audit
An off-grid load calculation is a line-by-line table of every device you will run, its real running watts, and its…
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Solid-State Battery Technology Guide for Home Energy
Solid-state batteries are the most over-promised technology in energy storage, and the physics underneath the hype is genuinely good. By…
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Whole House Generator Sizing Calculator: The Honest Method
To size a whole-house generator, add the running watts of every load you'll run at once, add the starting surge…
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Capacity Testing a Battery Bank at Home: The Method
To capacity-test a battery bank at home, fully charge it, then discharge it through a known load while a shunt…
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Sodium-Ion Battery Technology Explained for Home Storage
Sodium-ion is the first emerging chemistry I would actually put on a watch list for home storage rather than dismiss…
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Extending LiFePO4 Battery Cycle Life: What Moves the Number
The fastest way to extend LiFePO4 battery cycle life is to stop emptying the pack and stop parking it full:…
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Optimal Depth of Discharge for Batteries: The Practical Guide
For LiFePO4, the optimal depth of discharge is about 80–90% of nameplate capacity — deep enough to use the bank…
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Backup Generator Sizing Guide: Size It to the Battery
A backup generator is sized by the load it actually has to carry, not by the breaker panel rating. In…
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Paralleling Hybrid Inverters: A Practical Guide
Paralleling hybrid inverters means wiring two or more identical units together so they share the load and act as one…
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Diagnosing Weak Cells in a Battery Pack
A weak cell reveals itself three ways: it races to the top first on charge, sags lowest under load, and…
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Alternative and Emerging Battery Chemistries for Home Storage
The home-storage market runs on one chemistry today — LiFePO4 — and for good reason: it is the safest, longest-lived…
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