Flow batteries specifically don't use Lithium and are very promising in price to performance https://www.theguardian.com/australia-news/2025/jan/03/flow-batteries-are-the-future-of-renewable-energy-and-australia-could-be-a-world-leader-if-theres-funding

Since we had a lander during the Apollo program, why don't we have access to a lander now?