In the UK you can buy a battery at £160/kWh, complete with BMS and thermal management: https://www.fogstar.co.uk/collections/solar-battery-storage/products/fog

In the UK you can buy a battery at £160/kWh, complete with BMS and thermal management: https://www.fogstar.co.uk/collections/solar-battery-storage/products/fogstar-energy-15-5kwh-48v-battery https://www.fogstar.co.uk/collections/solar-battery-storage/... For less than £130/kWh if you're willing to build it yourself, you can get a slightly less capable setup: https://www.fogstar.co.uk/collections/solar-battery-storage/products/seplos-mason-280l-and-x16-grade-a-eve-lf304k-battery-bundle https://www.fogstar.co.uk/collections/solar-battery-storage/...