Hi Gary, I have the same inverter as you, and I'm using it with 16 EVE 304 cells and a JK inverter BMS with an active balancer. I've been running this setup for the past five months. The JK BMS communicates the state of charge (SOC) to the inverter, but the SOC keeps drifting over time. Here's the issue: even when the BMS indicates a 100% SOC, the voltages drift slightly lower with each cycle. Over the weeks, the SOC gradually drifts, so while it shows 100%, each cell and the overall pack voltage are slightly lower than the previous cycle. If I adjust the battery capacity settings, the BMS resets to 70% SOC, and the inverter charges another 3 or 4 kWh. This SOC drift is frustrating because on cloudy days, my 16 kWh battery effectively only charges to 11 or 12 kWh. The remaining 4 kWh stays uncharged because the BMS incorrectly reports 100% SOC to the inverter. To fully charge the battery, I have to keep changing the capacity settings in the BMS back and forth. Is there a way to use this inverter without CAN communication or by setting it as a generic battery? If anyone else has the same issue or knows a solution, please comment and suggest how to fix this problem. Thanks!

Hi Gary. This is Hart from Seplos Technology company. I was browsing KZread when I was pushed to your video by chance. Thank you for sharing our company's products. It's a very good vedio! If you have any needs, you can contact me and we can exchange products and share experiences.

@GaryMeatsLife

20 күн бұрын

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?

Hi Gary, the 3 battery videos are really good. Can you please share the cost of the Seplos 15 kwh unit? I'm considering adding an off grid system with Solis 6K and 10 -15 kwh batteries. Currently have a grid tied system and cannot expand it any more. Are you aware of many clients in Ireland that have already installed the Seplos battery?

@GaryMeatsLife

23 күн бұрын

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.

@alanslattery5954

8 күн бұрын

@@GaryMeatsLife Thanks Gary for the detailed response. I'd love to know how its working for you so far and please create a video when you receive the 2nd one and expand the system. Alan

@GaryMeatsLife

8 күн бұрын

@@alanslattery5954I will do. I haven’t added anything new due to PC issues, but I’ve ordered a new PC to build yesterday and will be back up and running soon.

Hi, Could you tell me how to connect positive and negative cables from the battery to the BMS, on the BMA board it is mentioned B- and P- only. And there is a small terminal B+, I am trying to upgrade my ROSEN Power wall Battery from SEPLOS V2 BMS to V3.

@GaryMeatsLife

7 күн бұрын

@@devgunathillake4726 Take a look at the other video I have in this collection. One of them is a wiring video walkthrough which should answer your questions.