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Advance Auto lists this one as an exact fit:
AutoCraft Platinum AGM Battery, Group Size H5
Rated 4.69 out of 5 stars
Part #H5-AGM
Exact fit for your: 2017 Chevrolet Volt Premier

Auto Zone lists this one:
Duralast Platinum Battery
Image of Duralast Platinum Battery : Part number H5-AGM
Fits Your Vehicle
IT FITS. This product is a fit for your: 2017 Chevrolet Volt Premier 1.5L DI HEV DOHC 4cyl
Part Number: H5-AGM
Warranty: 3 years