A neoHub Generation 1 will just show neoHub on the back of the unit where the wires go in. The neoHub Gen 2 will show neoHub (2nd Generation).
- Twist the feet so they come off.
- You should see a screw underneath
- Once the unit is removed, undo the two screws that connect the circuit board
- Turn the circuit board around
- You should see a CR1220 battery.
- Change the battery
- Put the circuit board back in and screw in
- Screw the outer case back on.