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BQ27520-G4: permanence of the golden image

Part Number: BQ27520-G4

once the golden image is written to the device via I2C - does that go into non-volatile memory on the BQ27520?  If we were to remove all power to the gauge and then power it back up (remove and reattach the battery), would we need to rewrite the golden file or does it persist after power loss?