Is the cable that comes with the product compatible with the standard JST 2.0 connector?
Not compatible with the standard JST 2.0 connector，It uses this kind of thread (Grove Universal 4 Pin to Beaglebone® Blue 6 Pin Female JST/SH Conversion Cable (10 pcs pack) - Seeed Studio)
The Seeed Grove connector is a HY2.0.
Most of the time is compatible. i.e. 95 times out of 100.