Leica S Instructions Manual page 13

Notes:
• The battery must have a temperature of +10°to +30°C to be charged
(otherwise the charger will not turn on, or will turn off again).
• Lithium ion batteries can be charged at any time, regardless of their
current charge level. If a battery is only partly discharged when charg-
ing starts, it is charged to full capacity faster.
• A new battery only reaches its full capacity after it has been fully
charged and – by use in the camera - discharged again 2 or 3 times.
This discharge procedure should be repeated roughly every 25 cycles.
• Both battery and charger become warm during charging. This is normal
and not a malfunction.
• If the two LEDs flash rapidly (> 2 Hz) after the start of charging, this
indicates a charging error (e.g. maximum charging time exceeded,
voltages or temperatures outside the permitted ranges, or short cir-
cuit). In this case, disconnect the charger from the mains and remove
the battery. Ensure that the above temperature conditions are met and
then restart the charging process.
• If the problem persists, please contact your dealer, the Leica office in
your country or Leica Camera AG.
• Lithium ion batteries should only be stored partly charged, i.e. not
when fully discharged or fully charged. For very long storage periods,
you should charge the battery for approx. 15 minutes roughly twice a
year to avoid a deep discharge.
• Rechargeable lithium ion batteries generate power through internal
chemical reactions. These reactions are also influenced by the ambient
temperature and humidity. To ensure a maximum service life of the
battery, it should not be exposed to constant extremes of temperature
(e.g. in a parked car in the summer or winter).
• Even when used under optimum conditions, every battery has a limited
service life! After several hundred charging cycles, this becomes
noticeable as the operating times become significantly shorter.
• Dispose of damaged batteries in accordance with the relevant regula-
tions (see p. 6, 54) at an approved collection point for proper recycling.
• The replaceable battery provides power to a back-up battery which is
permanently fitted in the camera. This back-up battery retains the set
time and date for up to 3 months. If this back-up battery becomes
discharged it must be recharged by inserting a charged main battery.
Once the replaceable battery has been inserted, the full capacity of the
back-up battery is recovered after about 60 hours. This process does
not require the camera to be turned on. In this case, however, the time
and date have to be set again.
• Remove the battery if you will not be using the camera for a long period
of time. When doing so, turn the camera off using the main switch first.
Otherwise after several weeks the battery could undergo deep dis-
charge, i.e. the voltage is sharply reduced, as the camera still con-
sumes a small amount of current (e.g. for saving your settings) even
when it is turned off.
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