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Hi I did read the thread after posting here. Rookie mistake - should have read the threads first I guess. I think you were talking to the JK shop on AliExpress. I was talking to the JKBMS factory. They have confirmed that - with the addition of this parallel module - you can wire them in...

Hi This is the wiring of the parallel module - when mine arrives I will open it up and have a look. Regards

Hi Just confirmed with the JKBMS factory that the latest version can be connected in parallel - but you need the parallel module? See Pic below

Hi Been dealing directly with the JKBMS Factory and it has taken all day but I finally got hold of some one who has some technical ability. So the latest model B2A8S30P (4S 300 amp ) can be connected in parallel but you need a parallel module. Trying to find out more about it and where to wire...

Hi Just reading this mega thread about this exact subject. Highly recommended as ther is a lot of input from JK (Nami) https://diysolarforum.com/threads/jk-4s-200a-bms.38623/page-1

Hi In the technical specs I will post a screen shot below No idea what the 'kit' is. According to the vendors it is an 'option'?? At this stage she stopped talking to me Will see what else I can dig out. According to the manual Parallel connections are allowed?? Confusion reigns REgards

Hi I have just discovered from LLT ( the manufacturers) that their BMS cannot be wired in parallel. I cannot get any sort of technical reason - just NO - sorry - not allowed etc. THis might be your problem. Just had a look at the technical spec sheet and parallel function is not allowed...

Hi Up until recently I have been happily building batteries (sporadically) and had standardised on the JBD BMS. When I went to order some more gear to build 2 new 12V batteries I noticed - in the spec sheet - these these were no longer allowed to be paralleled. This amazes me because I cannot...

Hi I had looked at that option but would need a lot of power ( crypto mining rigs) and with the cost of energy nowadays I want to run them off solar and battery. I already have the panels and battery just need an upgraded inverter system. Thanks and Regards

Hi Thanks for the response and throwing some clarity on the issue. Yes, I was asking about the transfer time - tossing up between the MPPSolar ( which boasts zero transfer time) and the Growatt. This will be replacing an older MPPSolar. Thanks and Regards.

Hi I am looking at installing a Growatt as a backup system for my computer systems. The area of concern for me is the change over time from solar to battery ( when solar is insufficient to power the loads) and from battery to line ( when battery gets low) Can anyone provide these details...

Hi Horsefly You are correct, apologies. When I first set up a battery (some years ago) I noticed the name was not written to the BMS. Regards Richard

Hi EcoRV I suggest that you join the app developer on GitHub and raise the issue. He is very responsive (as you will see by the resolved requests) and very open to improvements / suggestions. GitHub group here https://github.com/smagicld/xiaoxiangBMS/issues The issue of the pin is addressed...

Hi This is where you add / enable the PIN security. Also the naming of the BMS

Hi Rather than answer multiple threads Inthought I would summarise. 1. Yes you can name the individual BMS to differentiate however the name lives on the reading device not the BMS. 2. You can secure the BMS by adding a pin to each BMS. You can go as far as a double pin if you wish. 3. The app...

Hi I think these guys are the manufacturers and shitty web design comes as standard. When you go to buy you have to select either LiFe or LiFePO4 which leads me to believe no one has updated the data sheets. I have used about 10 of these BMS so far, from 4S to 16S and they have all arrived...

Hi This one ? https://www.lithiumbatterypcb.com/product/4s-lifepo4-or-3s-li-ion-smart-bms-with-200a-current/

This one ? https://www.lithiumbatterypcb.com/product/4s-lifepo4-or-3s-li-ion-smart-bms-with-200a-current/ Regards

Hi Pierre. All good mate - dodging CoVid still. This is on the new V2 app and it is a button on the app landing page after selecting the BMS. See 2nd screenshot. Regards

Hi - the IOS app now has a facility for logging data as well. Restriction is that the app has to be open to log this data. Just a thought. Regards

All the parameters can be changed via the Bluetooth app on via the canbus connection.

Hi I See they now have a 200amp constant charge / discharge - https://www.lithiumbatterypcb.com/product/3s-12-6v-4s-16-8v-or-4s-14-6v-lifepo4-battery-bms-with-120a-to-200a-constant-discharge-current-for-12v-converter-power-ups/?attribute_specification-selection=4S+Lifepo4+200A Regards

Hi - having the ability to view more than one BMS on the Home Screen would be great. I have 2 batteries in my camping setup and the ability to have an overview would be great. Thanks and Regards

Hi Pierre. Tested OK while charging / discharging with IOS. Connected really really quickly. I currently have 3 of the BMS connected and stepped quickly between them. I did notice the lack of a cell delta but the developer seems really responsive so could put in a req via the GitHub. I did like...

Hi - further to this have played a bit with the thermistor and there are definitely 2 seperate temperature readings. The Temp1 is the thermistor on the fly lead - see screenshots below. Temperature is very responsive too. Screenshots are one minute apart. thanks and Regards

Hi Gaze - sorry but no idea. I only use IoS. Have a check in Google store? Thanks and Regards

Hi Adding some screen shots from the app. 2 nifty improvements I have noticed. Displays remaining charge time to fully charged (Not to sure how accurate it is will check with a battery charger) Displays both temperatures - also not sure how accurate this is but at least they are...

Hi I have recently found a new app on the Apple store that works great with the JBD BMS and has a (in my view) much cleaner display. Has all the functionality of the Xiaoxiang with regard to Read / Write just much cleaner. The app is called (very imaginatively) Smart BMS Utility and costs just...

Hi The ‘new’ App does cater for multiple BMS on one screen. It is V2 but not sure when it is being released. I was part of the Beta testing but have dropped out. If you are interested I can look up the GitHub link and post it here?

Hi Pierre - sorry. Shenzhen Youngpower Technology Limited https://3ainternational.m.en.alibaba.com/index.html?wx_navbar_transparent=true&tracelog=sns_minisite

Hi Interested in this thread as I am waiting for my 300aH ordered some time back. I went with Xuba (Selina) as I am finding Amy (Luyuan) very unreliable lately. Never has any stock and even when she says she has stocking you place an order then suddenly there is no stock. Also Xuba is offering...

Hi The "new" Version 2 of the app displays more than I device at a time. If you go onto the developers GitHub and send him your eMail address he will add you to the group. I will see if I can post a pic. Regards

Hi Willemf I have recently purchased a Daly BMS and theyt send me some documentation which I have attached below. Hope this helps. Regards

Hi I ended up buying direct from the Daly store on AliBaba and paid US$30 for shipping and it arrived within 2 weeks. Still waiting for my batteries to arrive before I install it so will post here how it goes. Regards