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Battery
Browse 8 in-depth Battery guides from Solar Home Planner. Our editorial team researches and writes each one to give you clear, practical answers, current as of July 2026. The newest are shown first.
LG Chem RESU: Does This Battery Deliver for Solar?
LG Chem makes a genuinely good battery. That’s not a popular opener for a review, but after years of …
Build Your Own Solar System With Battery Backup
Most people who ask me about DIY solar want to know one thing: how fast will it pay off? I get it. But …
How to Add a Battery to Your Existing Solar System
You bought your solar system in 2019, your installer promised you’d “basically eliminate your …
Why 45% of New Solar Buyers Are Now Adding a Battery
If you’ve been pricing out solar this spring, you’re probably feeling whiplash. The 30% federal …
Calculate Your Ideal Solar Battery Size in Minutes
Most solar battery sizing guides will tell you to add up your daily kWh usage, multiply by your backup days, …
How Long Your Solar Battery Powers Your Home During an Outage
My neighbor lost power for 11 days during a derecho storm last summer. She had solar panels. She still lost …
Battery Storage Sizing: The Off-Grid Home Guide
Most people who ask me about off-grid battery sizing start with the wrong question. They want to know how many …
Battery Backup vs. Generator: Which Powers Your Home
The power goes out at 11 PM on a Wednesday. Your sump pump stops. The food in your freezer starts its slow …