This is a replacement power cable for the DC side of the Cycle Satiator universal e-bike charger. Meant to replace a connector that has accidentally gotten messed up.
"Satiator DC Output Cable with 1m Lead Terminated with 3-pin XLR
Satiator DC Output Cable, 1m lead length, with right angle Singatron plug to satiator and 3-pin XLR plug to battery pack."
^Above information is provided by the distributor, Grin Technologies