Lithium-ion batteries have higher upfront cost then Lead-acid, but Lithium-ion batteries have longer service life.
https://www.whalebattery.com/blog-detail/lead-acid-vs-lithiu...
Cost per kWh per year:
lead-acid batteries: $100 per kWh per year
LFP batteries: $50 per kWh per year
https://www.justplugsolar.com/blog/lithium-vs-lead-acid-batt...
US is outsourcing recycling of Lead acids to Africa.
https://www.nytimes.com/interactive/2025/11/18/world/africa/...