From Mike

Solar math, home battery reviews, and real payback numbers for US homeowners.

Battery Backup

Home battery backup reviews and guides: LiFePO4, lead-acid, and whole-home solutions to keep the lights on when the grid goes down.

3-Day Home Backup System: How I Built Mine

Three years ago, a windstorm knocked out our power for 58 hours. We had a flashlight, a drawer full of candles, and a refrigerator full of food we watched slowly go bad. I swore it would never happen again. Last month, the same storm pattern came through. We barely noticed. The lights stayed on, the

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