SatLab SL900 - Page 35

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34
SL900 GNSS RTK System
Adapter
You can also connect the receiver to an external power source through the 5-pin socket.
The external voltage range for GSM operation mode and UHF rover station is DC 6-28V and the current should
be more than 3000mA. If there is an external power supply, the receiver will choose the higher voltage between
the lithium and external power supplies. When an external power supply is required, the specified dedicated
power supply must be used.
Note: 1. The service time of the lithium battery will decrease when there is a reduction in temperature
and this will increase both the charging and discharging times. Generally, one new 5000 mAh lithium
battery can be used for 10 hours for static data collection, or 8 hours for the GPRS rover, or 7 hours for
the 2W internal transceiver transmitting station.
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battery going flat; otherwise, the battery’s life will be shortened.
3. If the battery is not going to be used for a long time, please charge the battery once per month in
order to prolong its service time.
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battery charger. The charging time is about 7 hours. CL-8410 chargers have charging lamps that turn red during
the charging period, and green after charging. They then continue charging for 1~1.5 hours, until the battery is
fully charged.
Charger
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