Follow this procedure to replace the battery on your EmStat Blue.
Required tools:
Screwdriver: flat-head or Torx-8, if instrument was purchased in 2018
Pliers (recommended)
1
Remove battery screws.
2
Use pliers to gently unplug the battery connector. Hold the pliers against the housing to use them as a lever. Do not use too much force to avoid damaging the plug.