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Batteries

• Only use rechargeable batteries
• Use Gigaset provided batteries, as they are tested for optimum usage in DECT handsets
• Charge Insert the batteries in your DECT handset and put the handset on the charger to charge the batteries fully prior to first use
• Handset reports battery level correctly after first complete charging and discharging cycle 

When you replace the Gigaset provided batteries:

• Only use rechargeable batteries
• Batteries with a capacity > 750mAh normally have a poor life-cycle -life and are not recommended for DECT-applications.
• Handset reports battery level correctly after first complete charging and discharging cycle 

High voltage protectionPrimary-cell detection

The integrated high voltage protection Primary-cell detection detects if during charging the battery voltage does not exceed the 3.3 V. If high voltage is detected, the handset will stop charging until you take the handset out/in the charger or when the handset reboots due to no power. This is mainly caused by high impedance or wrong type of the batteries (Non-rechargeable, Low quality batteries, old or damaged batteries)

Charge debouncer

The charging debouncer avoids:

• The handset restarts charging when the "table is bounced"
• Handset is in charger and ringing, user takes handset out of charger to answer call and short out/in charger is detected that ends the call

The handset must be removed for 1 second from charger to recognize out-of-charger event. shorter out-of-charger events are suppressed.