Batteries: How cheap can they get?

Submitted ⁨⁨1⁩ ⁨year⁩ ago⁩ by ⁨bot@lemmy.smeargle.fans [bot]⁩ to ⁨hackernews@lemmy.smeargle.fans⁩

https://aukehoekstra.substack.com/p/batteries-how-cheap-can-they-get