Spectra Precision SP80 - Manual (Page 33)

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Remote Battery
Monitoring
When a receiver powered from its battery is left unattended
to operate as an RTK base, a special function is implemented
in the receiver to let the rover operator (for example) be
warned when the last battery in the base is getting low.
When this occurs, and provided the underlying
communication means are implemented, a text message and
an email will be sent respectively to the phone number and
email address that you entered while setting the receiver.
Lithium-Ion Battery
Storage
All battery types discharge over time when they are not being
used. Batteries also discharge faster in colder temperatures.
If a battery is to be stored for long periods of time, make sure
it is fully charged before storing and re-charged at least once
every three months.
Below is a summary of all the recommendations for best use
of your batteries:
• Fully charge all new batteries prior to use.
• Do not allow the batteries to discharge below 5 V. When
used in the SP80, the built-in power controller will make
sure this never happens.
• Keep all batteries on continuous charge when not in use.
Batteries may be kept on charge indefinitely without
damage to the receiver or batteries.
• Do not store batteries in the receiver or external charger
unless power is applied.