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6
Description
6.1
Charging / first-time
use
Operation /
Discharging
6.2
Charging the Li-Ion
battery pack step-
by-step
Rugby 840, Batteries
Batteries
The Rugby 840 can be purchased with alkaline batteries or a rechargeable Li-Ion
battery pack.
The following information is appropriate only to the model you have purchased.
Operating Principles
• 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.
• 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.
• 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 recom-
mend 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 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; high operating
temperatures reduce the service life of the battery.
Battery for Rugby
The rechargeable Li-Ion battery pack on the Rugby can be charged without removing
the battery pack from the laser.
6
3
1
5
004815_001
Step
Description
1.
Slide the locking mechanism on the battery compartment to the very left to
expose the charge jack.
2.
Plug the AC connector into the appropriate AC power source.
3.
Connect the charger plug into the charge jack on the Rugby battery pack.
4.
The small LED next to the charge jack flashes indicating that the Rugby is
charging. The LED is on solid when the battery pack is fully charged.
4
2
40
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