Sc00bs Posted July 2 Share Posted July 2 Hi Guys Just wondering ,  if I have batteries from two different manufacturers but both with PACE BMS's in them. Assuming they all have 16 cells in them etc. 1. Should the batteries communicate out the box (I know, is a tough question)? 2. If not, what about if I reflash them so they all have the same firmware and what sort of compatibility is there between PACE BMS's Quote Link to comment Share on other sites More sharing options...
zivva Posted July 2 Share Posted July 2 As long as both Pace, they will communicate between each others out of the box. Getting the exact same firmware for both should not be needed. Sc00bs 1 Quote Link to comment Share on other sites More sharing options...
Jakac Posted July 2 Share Posted July 2 And if they use different cells with different charging/discharging parameters that will be a problem right? Quote Link to comment Share on other sites More sharing options...
zivva Posted July 2 Share Posted July 2 (edited) As long as same cells count / voltage, no problem. Capacity doesn't matter. You will have a (manageable by proper settings on both inverter & BMS ...) problem if using 15S / 48V and 16S / 51V with the inverter anyway ... Edited July 4 by zivva Quote Link to comment Share on other sites More sharing options...
Sc00bs Posted July 4 Author Share Posted July 4 On 2024/07/02 at 6:35 PM, Jakac said: And if they use different cells with different charging/discharging parameters that will be a problem right? Nope, different capacities are not an issue as amperage is drawn from the batteries in proportion to their capacities. Voltages need to be the same though a @zivva said Steve87 1 Quote Link to comment Share on other sites More sharing options...
Sc00bs Posted July 4 Author Share Posted July 4 On 2024/07/02 at 1:41 PM, zivva said: As long as both Pace, they will communicate between each others out of the box. Getting the exact same firmware for both should not be needed. Thanks @zivva Going to be interesting to try it out and see. Quote Link to comment Share on other sites More sharing options...
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