Hi,
I have been offered a forklift battery for free - data sheet here https://www.exidegroup.com/eu/sites/default/files/2017-06/GNB_MP_MARATHON_MXMXXREPDF01116_1.pdf but it is a 6 year old 24v 300amp hour battery with an estimated 50% power loss.
I currently have a 3.8 Grid tie system coming...