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Battery: Operating Principles 3.4.1

Charging/first-time use

For charging and first-time use, the following must be obtained: 

• The battery must be charged prior to using for the first time because it is delivered 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 form 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/Discharging

• The batteries can be operated from -20°C to +55°C/-4°F to +131°F.
• Low operating temperatures reduce the capacity that can be drawn; very high operating temperatures reduce the service life of the battery.


If charged or discharged, batteries not recommended by Leica Geosystems may be damaged. They may burn and explode.
Precautions:
Only charge and discharge batteries recommended by Leica Geosystems.


Operation of indoor-use products (Charger and AC-Adapter) 

The following refers to operation of indoor-use products e.g. Charger and AC-Adapter:

The product is not designed for use under wet and severe conditions. If unit becomes wet it may cause you to receive an electric shock.
Precautions:
Use the product only in dry environments, for example in buildings or vehicles. Protect the product against humidity. If the product becomes humid, it must not be used!


Operation of products with grounding connector

The following refers to the operation of products, which are equipped with a ground connector:      If unit is not connected to ground, death or serious injury can occur.
Precautions:
To avoid electric shock power cable and power outlet must be grounded.