DIY DC 48v PowerStrip for OBX-E batteries
This PCB allows the use of 9 OBX-E battery packs available on jag35.com to build a 3.3Kwh booster pack for use with the very popular Bluetti AC200A. You can also use this battery as a stand alone 48v battery for any application 15A or less, but this project is designed for boosting your Ac200P.
Here is what you will need to build it
9x OBX-E battery packs - https://jag35.com/370wh-obx-e
Printed Circuit Board - here
10x ATX connectors - https://amzn.to/3eHHmdX
1x XT90 pigtail - https://amzn.to/3uIsjq1
Charger (connector must be changed) - https://amzn.to/3eG1A7S
And of course a Bluetti AC200p - https://amzn.to/3o9UcEW
DIY DC 48v PowerStrip for OBX-E batteries
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.

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I bought a prepopulated one as well and got one that had 1 of the connectors upside down, so it was shorting that battery and the bms turning off. Check it, remove and resolder