Replace M650 Battery
- Remove the beacon from the top of the buoy solar tower by removing the three top-facing bolts using a 7/16″ socket wrench.
- Invert the beacon.
- Remove the small Phillips screw holding the cover in place and turn it counterclockwise.
- Lift up on the cover to remove it.
- Press down on the battery connector tab and gently pull to remove it.
- Unhook the battery pack support strap.
- Lift the old battery out of the beacon by pulling up on the red strap.
- Insert the new battery into the beacon, lifting the rubber support strap out of the way to accommodate it.
- Hook the support strap back around the plastic tab.
- Press and hold the Set button on the display.
- Plug in the battery connector while continuing to hold the Set button. Wait to release the Set button until the message Zero appears on the display. This resets the battery pack health indicator status within the beacon.
- Re-install the beacon cover.