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2018-2021 ACE 150 Battery Removal and Installation

Required Tools and Supplies

  • 10mm Socket
  • Ratchet
  • Torque Wrench
  • Dielectric Grease or Petroleum Jelly
  • Shop Rags

To learn more about commonly used fasteners, wrenches and sockets, read the Tools and Fasteners Guide.

Always wear safety glasses and nitrile gloves when servicing your Polaris ACE. To remove and replace the battery on your ACE 150, follow these steps:

1. Park the vehicle on a flat, level surface.

2. Set the parking brake, and remove the key.

3. Access the battery through the left-side rear wheel well.

4. Release the battery cover strap.

5. Then remove the battery cover.

6. Using a 10mm socket, disconnect the negative battery cable first to prevent arcing and set aside.

7. Then, using a 10mm socket, disconnect the positive battery cable and set aside.

8. Reinstalling the fasteners onto the posts will help prevent misplacement.

9. Carefully remove the battery from the vehicle.

10. Inspect the rubber battery pad for damage or wear, and replace if necessary. The battery pad is part number 5416089.

11. If reinstalling the battery, ensure it is fully charged and free of any debris or damage. Follow the instructions in the Battery Charging section of your Owner’s Manual before installing the battery. The battery is part number 4010678.

12. Clean the battery holder thoroughly.

13. Ensure the rubber battery pad is correctly positioned in the battery holder.

14. Place the battery in the battery holder with the terminals facing backward.

15. Reinstall the positive cable first to prevent arcing. Torque to 6 ft-lbs (8 Nm).

16. Then reinstall the negative cable. Torque to 6 ft-lbs (8 Nm).

17. Apply a light film of dielectric grease or petroleum jelly to both terminals.

18. Verify the cables are secure and properly routed.

19. Clean the battery cover thoroughly and reinstall.

20. Then install the cover strap.

21. Finally, turn the key ON to verify the battery has been connected properly.

For more information, see your authorized Polaris Dealer. Find a dealer near you with the Dealer Locator.
Maintenance tips, procedures and specifications can be found in your Owner's Manual.
To find diagrams and replacement part numbers, use the online parts catalog.

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