Hi Alan. As mentioned in the video, the kit was purchased from www.fogstar.co.uk for about €600. It cost me €50 for it to be dropped off in Northern Ireland where I collected from. The battery cells were from www.eu.nkon.nl and the 16 B Grade cells cost a little over €1200 delivered. If you already have the tools and don't need to buy anything else, I would put a round figure of €2,000 on it, because you will ultimately need to spend money on something else. Fogstar sell the Seplos pre-made for about €2,300 (depending on exchange rate) which is not bad when you consider that the WECO 5kWh battery is being sold for €2,000 for a third of the battery capacity. Pylontech have a slightly smaller rack battery for a little under €1,500. It can be a bit daunting building a battery, even with a kit supplied and you do take on the risk of damaging the battery, your inverter, or both, so caution is advised. I have spent hundreds more on tools and materials, but much of these are tools I wanted to buy anyway, such as hydraulic and RJ45 crimps. I needed. I spent a few hundred on wood for cabinets, but I have improved the part of my property the batteries will be located which is now dry and more pleasant to be in. I'll include these side details in the final video. I know DIY batteries are popular here amongst the enthusiasts, but I wouldn't say they are common, including the likes of the Seplos kits. I have a second one ordered which I will be collecting when I drive to Germany later this month. I plan to have a third battery before the end of the year. With the cabinets built, I might even sell the seplos kits and replace them with bare cells, BMS and balancers. Someone will be blessed with a bargain. I may even offer to hook the battery up if they are local enough to me. I'll see how things go. I'm enjoying the ride, challenging as it has been for a newbie.

Hello Hart. Thank you for your comment. I am happy to help the solar community, because they helped me. I do have some ideas and suggestions to help reduce the need for customers to reach out to Seplos or a solar forum after purchasing a kit if there is a problem. I also have a couple of practical product suggestions. What is the best email address to reach you directly?