Step-By-Step Instructions On How To Remove And Replace The Battery In Your Garmin GPS Unit. See the Important Safety and Product Information guide in the product box for product warnings and other important information. Replacing the Heart Rate Monitor Battery. Replacing the Speed Sensor or Cadence Sensor Battery. Device Information. Is there any way to replace the battery in the Fenix 6x pro sapphire? My Fenix 6x pro is way out of warranty, and started having battery problems some time ago, and it continues to get worse. Went on two hikes today. On the 4 mile hike, lost 40% of the battery power. FORTY PERCENT! Recharged, went on a 3 mile hike, lost 23% of the battery power. XSPLENDOR XPS Replacement Battery Compatible with Garmin Forerunner 225, Forerunner 235, Forerunner 630 PN 361-00086-00 $13.15 $ 13 . 15 Highest rated in this set of products With the new battery, connect the battery connector to the device. When properly installed, the connector plug snaps into the port. Replace the front plate, and replace and tighten the six screws to secure the front plate. Verify the gasket is not sticking out of the device. Pro 70 Battery Replacement Instructions. Step 3 Lithium-Ion Battery. Using the nylon spudger, pry the battery off of the back half of the device. Pull the battery away from the back cover. Cut the two wires that connect the back cover to the battery using a pair of wire cutters. Add a comment. Replacing the HRM‍-Dual. Do not overtighten. After you replace the heart rate monitor battery, you may need to pair it with the device again. Heart Rate Monitor Instructions. Replacing the HRM‍-Dual. Replacing the Batteries 301 and 386 batteries are equivalent to SR43 batteries. Remove the device from the band. Use a small Phillips screwdriver to remove the four screws on the front of the device. Remove the front cover and batteries. Insert the new batteries with the negative side facing the inside of the front cover. The tools you need to change the battery are: A torx T5 Screen driver, a pin removing tool like a needle and a soldering iron sSpiQ0.

how to change a garmin battery