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Last Updated: October 2024 Affected Models: Goldcut JK-103, JK-203, JK-303, JK-403, JK-503, and similar 24V/48V JK Series BMS units.

If you own a Goldcut JK Series BMS (Battery Management System) and have been struggling with , “Device not recognized” messages, or the inability to connect via Bluetooth/USB to the JK BMS PC software—you are not alone. Many users face the same frustrating issue: Windows fails to automatically find the correct driver, or the driver installs but doesn’t work properly.