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No pic. Battery tried to be a banana, busbars bent up so that last 2 cells were in the air. I would say the two swollen cells, swelled to double the size overall. No compression. I disposed of the cells straight away without taking a voltage as they looked like they might blow!

I think it's purely a case of bad cells, just never experienced it before .. I just didn't know if having a BMS or not attached or not would make much any difference. Cheers

Hi, I had a battery balanced, had disconnected the BMS but left cells in 4s 12v config. (4 x 3.2v 105Ah lifepo4 cells) I came back after 3 months to find that 2 cells had swollen by 60% (I could not believe how much). My question is, would it be a factor that I had disconnected the BMS? The...

look the final buy is Daly 8s 24v 150amp .... from Hankzoor BMS Store ... thanks for the link to this store with 98.8% rating.. and I saved my $$ Cheers Guys!

Thanks so much for your time Steve !! I still have my static electric bracelet and earth clamp... must say I never have used it, but have always been aware of the dangers. Hats off to you :)

Thanks to Dzl I thin it JBD BMS .. unfortunately after a "quick" look it seems they only go to 100amp

Cheers Mate! Will have a look after work tonight, looks interesting from a quick look :-)

Hi Dzl... apologies in advance for stupid question ... In what way would you use a BMS to switch off an external device? Would you tell the inverter to turn off due to low voltage? In your opinion ..should I really worry about any of this level of system interaction ? (for this van system at...

Cheers Steve... yep that's a box of worms I wont open!! The JK BMS still looks interesting (the manual for it is "heltec"?) and the price is less than I was going to spend. More research I think..

Thanks Rocketman! I had a look at them before... out of my budget unfortunately, but would be worth it for a house system. The system I will build is for a van and will get minimum use. I was ready to buy a Daly 24v 8S 200amp, but am unsure now.. will keep researching!!

Thanks Steve.. Its funny how you thought you had a handle on something, and yet you were only looking through a small window from 50' away ;-) My build is for a van.. I thought Victron gear looked affordable and ok. I now am grasping that the BMS might talk to the charger and inverter etc. I...

Hi Steve, thanks for that link! I think I get it.. the 24s 2A 150A will be fine for 1500watt max draw. As its not "24v" (like Daly BSM list) you must select how many cells in the software and you just don't use the rest of the wires (only use 8s of 24s wires). Is the 8s 2A 200A suitable too, OR...

Thanks Dzl! Yep newbie error saying 24v 460Ah... was still thinking about the original 12v battery I wanted to build.. But from what I hear doing the 24v configuration will put less strain on certain components, especially in Australia its easy to get 24v equipment like ..air con, fridge and...

Thanks Steve for taking the time to reply!. I've had a quick read through and will read over again tonight and unpack all you say. Good point about not skimping out on BMS. Cheers!

Hi, have 8x 230ah Lifepo4 on the way.. 1st time build My max load shouldn't be more than 1200watts for short periods. I was thinking 1 x 200amp 8s 24v BMS should be plenty ... and simple. Any thoughts against? Thanks in advance!

Good to know!

Cheers. Had a look..

Tha Thanks MrSandals... I thought something like that might happen. Thanks for the link to 12 to 24 dc to dc charger :)

Has anyone seen a thread on this previously... Or diagram. Was thinking about having a van system that has a 24v inverter, but could be charged from the van's alternator, also shore power and solar too. Main reason to do it this way was so you could have 2 x 100amp BMS instead of 1x 200amp BMS...

G'day, lovely part of the world that... Port Stephens. Who did you buy from if you don't mind me asking?

Thanks toms. could you post a link to your aussie source? cheers

Hi toms, thanks. Just trying to decide on whom to buy from on Alibaba. Was happy to buy from Docan Tech and then reading through the comments certain people almost shout only buy from one source...

Hello everybody. Been looking at building a small system for ages and just about to import lifepo4 batteries. Very exciting!