See the Important Safety and Product Information guide in the product box for product warnings and other important information. Replacing the HRM‍-Dual Battery. Replacing the Speed Sensor Battery. Replacing the Cadence Sensor Battery. Device Information. Garmin Swim Battery Replacement | Garmin Customer Support. FREE GROUND SHIPPING ON ORDERS $25 AND UP. Garmin Support Center. Garmin Support Center is where you will find answers to frequently asked questions and resources to help with all of your Garmin products. Learn how to replace the batteries on your Rally™ power meter pedals.For more help, visit http://support.garmin.com A walkthrough of how to change the battery on a Garmin Speed sensor. Same method applies to any Garmin sensor. How to replace the battery on the Garmin GPS 72 or 76 in less than 60 seconds. Simple, easy, and fast. Cut out the junk and check out our straight-to-the-poi Replace your Garmin Nuvi 1350 Battery or Keep an Extra Battery on hand as a backup. This kit comes with an Extended Capacity 1250 mAh, Lithium-Polymer Battery that offers up even more up time than your original. It's a 180 mAh battery. Edit 2023/08/09: I did it! A few weeks ago I found an ebay listing with the replacement battery for my Garmin Fenix 6s pro. I received a battery labeled 361-00086-11 but it looked exactly like the original -12 variant and had the same specs. So I went ahead, took the watch apart, ripped the old battery out and put the Replacing the Battery. Wait 30 seconds. Do not damage or lose the O-ring gasket. Do not pinch the O-ring gasket. The O-ring gasket should not be visible when the cover is locked. The running icon on the pod must be aligned with the running icon inside the clip. WxtM.