Choose between 100Ah and 200Ah lithium batteries by balancing daily kWh, parallel strings, install space, future expansion, and serviceability.
100Ah vs 200Ah Lithium Battery: How to Choose for Your Solar Project (2026) Read Post »
A step-by-step off-grid battery sizing workflow using daily kWh, autonomy days, usable DoD, inverter losses, and cold-weather derating.
How to Size an Off-Grid Solar Battery System (Step-by-Step Calculator) Read Post »
For years NMC dominated residential batteries. By 2026, LFP has become the technically correct choice in nearly every scenario. Here’s what changed and why it matters for your specs.
LFP vs NMC Home Batteries: A Complete 2026 Comparison Read Post »
UL9540 has become the deciding factor between residential battery projects that get permitted and those that don’t. This guide explains what it is, how it differs from UL1973 and UL9540A, and what to verify before you quote.
UL9540 Certification Explained: What Solar Installers Need to Know in 2026 Read Post »
