RagingGrandpa Posted May 21, 2021 Share Posted May 21, 2021 1 hour ago, tvu213 said: the two battery pack should be parallelly connected? Yes, like this: On 4/15/2020 at 11:00 AM, RagingGrandpa said: 1 hour ago, tvu213 said: I couldn't order the bms for Gotway MCM5 will it be ok if I use the other smart bms? No. You cannot use the same parallel connection with 3rd-party BMS. The only way to safely integrate 3rd-party BMS with Gotway BMS is if the new one is only connected at its output (no charging input!) and has output interruption. Quote Link to comment Share on other sites More sharing options...
Camenbert Posted May 21, 2021 Share Posted May 21, 2021 22 minutes ago, RagingGrandpa said: Yes, like this: At least we see in this topic someone adding battery capacity using generic bms.. with no issue since?(!) 2 Quote Link to comment Share on other sites More sharing options...
RagingGrandpa Posted May 21, 2021 Share Posted May 21, 2021 1 hour ago, Camenbert said: adding battery capacity using generic bms Yup. But in my opinion, it's safer to add capacity through charge-and-ride 2 Quote Link to comment Share on other sites More sharing options...
Camenbert Posted June 15, 2021 Share Posted June 15, 2021 Hi tvu213, I read on another topic you completed the additional battery pack. Some picture to share? What BMS, cells, you finally use? Also, do you really feel it as you ride (breaking, acceleration, also weight) or it's mostly about range? Quote Link to comment Share on other sites More sharing options...
tvu213 Posted June 20, 2021 Author Share Posted June 20, 2021 On 6/15/2021 at 4:34 AM, Camenbert said: Hi tvu213, I read on another topic you completed the additional battery pack. Some picture to share? What BMS, cells, you finally use? Also, do you really feel it as you ride (breaking, acceleration, also weight) or it's mostly about range? Hi, Sorry for being late in responding. I do feel that the battery work well and lengthen the range. I am not professional on ECU so I don't care much about breaking and acceleration. But it is obviously heavier when you add another battery pack on it. One more thing: I had to modify the shell because it is very tight and I cannot put the shell back as it was. I have some pictures here and hope they help: Battery cells <<<== Click 20s BMS: How I estimate the battery order: Finished built battery pack and testing process: Parallell connection wire: Quote Link to comment Share on other sites More sharing options...
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