Leica RX1200 user manual Batteries, Operating Principles, Primary use/charging

4.2Batteries

4.2.1Operating Principles

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This chapter is valid for RX1220, RX1250 and GHT56.

Primary use/charging

•The battery must be charged prior to using it for the first time because it is deliv- ered with an energy content as low as possible.

•For new batteries or batteries that have been stored for a long time (> three months), it is effectual to make only one charge/discharge cycle.

•For Li-Ion batteries, a single discharging and charging cycle is sufficient. We recommend carrying out the process when the battery capacity indicated on the charger or on a Leica Geosystems product deviates significantly from the actual battery capacity available.

•The permissible temperature range for charging is between 0°C to +40°C/ +32°F to +104°F. For optimal charging we recommend charging the batteries at a low ambient temperature of +10°C to +20°C/+50°F to +68°F if possible.

•It is normal for the battery to become warm during charging. Using the chargers recommended by Leica Geosystems, it is not possible to charge the battery if the temperature is too high.

Operation RX1200 65