Stephan EVETR - Replacing the External Battery

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11 Care and maintenance
 Fritz Stephan GmbH
GA-070T-0518V2.7-HAO-EN
233
Replacing the external battery 11.11.1.4
To replace the external battery 2 (optional), squeeze together the two tabs
on the rear of the battery. This automatically releases the battery from the
device for replacement.
Fig. 120: Replacing the external battery