Polaris GEM Owner's Manual For Maintenance And Safety page 123

Batteries
Battery Inspections/Maintenance
Check Battery Fluid (Flooded Batteries)
3. Maintain the fluid level between the battery plates and the bottom of the fill well. Add
distilled water as needed. Do not overfill. Reinstall the fill well cap securely.
Fill Well Cap
MAINTENANCE
Bottom of Fill Well
Top of Battery
Battery Plates
121