How to make nickel iron battery for your DIY project
If you've ever looked into off-grid storage or long-term energy solutions, you've probably spent some time wondering how to make nickel iron battery cells that can actually go the distance. These things are legendary in the battery world. Thomas Edison popularized them over a century ago, and there are stories of people finding old NiFe batteries in basements that still work after decades of neglect. Unlike lead-acid batteries that give up the ghost if you look at them wrong, nickel-iron (or "Edison batteries") are tough as nails. ...