Siemens Hicom cordless EM - Manual (Page 67)

67
Only the original battery packs C39165-A7019-B110 and
C39165-A7019-B112 may be used with Gigaset active Ex.
If other batteries are used, operation in environments where
there is danger of explosion is no longer permitted.
Gigaset active Ex also complies with the requirements of the
following european standards:
Capacity
Standby mode
(hours) When the phone is
in use (hours)
600 mAh up to 70 up to 7
Additional standards: Gigaset active Ex
EN 50014
EN 50020
Permitted batteries: Gigaset active Ex