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Has anyone ordered the JBD-SP10S020 in a 6S configuration per chance? This BMS can be ordered 6S-10S and I've ordered it in 8S and been able to change it to 10S by unsoldering the solder joins on the balance leads and then specifying the new cell count in the app. I'm now trying to use one of...

Hi Is this pressure indicator normal? It's definitely convex and bowing out apart from the cross. Should it be completely concave? Thanks

Hi Has anyone else received or seen busbars of the attached photo type and if so, how many layers are there usually? These came with Lishen cells. These feel suspiciously too thin, like they usually come with more layers but someone has seperate them, used new heatshink and doubled or tripled...

Hi All Can a BMS designed for 24v or 8s cells generally be used for a lower voltage and smaller cell count pack i.e 5s or 6s? JBD BMS's specifically which I'm hoping I can just program for the correct values. I'm awaiting a response from JBD on Alibaba so thought I'd ask here too. Apart from...

Hi All I plan to use some spring washers on the M6 terminals for my Lishen cells with threaded holes (using grub screws and nuts, not bolts). I'm very concerned about how easy these terminals are to strip and figure the spring washers will give me a good indication of the when the nuts are...

Hey all What's everyone opinions on the CALB grey cells? I'm wanting to buy more for a different battery pack and these CALB cells are actually quite expensive (and bulky in size) compared to the blue aluminium cased prismatic cells. Is there any benifit to the CALB cells to justify their...

Hey all I know the topic of cell compression has been discussed heaps and I'm looking into how best to do it for my situation, I was most likely going to use hose clamps at the top, bottom and middle of the cells with alloy C channel to locate the hose clamps and keep the cells really flat...

Hey all My CALB 100ah cells are going to be used for a 12v battery backup system where they will spend most of their time on float charge via the grid. As they are for a backup system I don't expect them to actually see much use. Unfortunately they will also be in a very hot shed over an...

Hi All Is there a risk in damaging my BMS by running multiple devices that use balance leads over the same battery pack? Examples might be the BMS and and active balancer or an ISDT charger for one of its functions such as balancing or discharging. Could any of these types of devices...

Hi all I've recently ordered 8 of these cells from Aliexpress and the terminals look like the attached, brushed and helicoils in the positive terminals. These cells look new otherwise I can't see any signs of wear on the cases. Voltage out of the box seems good but I'm yet to do a balance...