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Batteries
The Dolphin 9500/9550 features intelligent battery technology. It is comprised of two types of battery power: the backup battery
that resides inside the terminal and the battery pack inserted into the back panel of the terminal. They are designed to work
together to prevent data loss when the terminal is in use over long periods.
Both must be completely charged before using the Dolphin 9500/9550 for the first time.
Internal Backup Battery
Located inside the terminal, the backup battery is a3.6 Volt nickel metal hydride (NiMH) battery. The internal backup battery is
not user- replaceable.
Purpose
The Dolphin's internal backup battery prevents the terminal from being reset if you need to remove and replace the main battery
pack. It retains RAM data and allows the real-time clock to remain operational for up to 30 minutes when the main battery pack
is removed.
Charging
To function properly, the internal backup battery must be fully charged before using the terminal for the first time. The initial
charge cycle takes approximately eight hours. After that, if the internal backup battery becomes fully discharged of power, it will
require a minimum of 10 hours of charging time to function normally.
When not connected to an external power source such as the Dolphin HomeBase, the internal backup battery is charged by the
main battery pack. If the terminal is left without the main battery pack for more than 30 minutes, the internal backup battery will
need to be recharged.
Note Data and programs stored in FLASH is not lost even if the internal backup battery fails. However, you must reset the real-
time clock using the Pocket PC Time and Date function.
Guidelines
Follow these guidelines to maximize the life of the Dolphin's backup battery:
• Keep a charged Li-Ion battery pack in the Dolphin. The internal battery will prematurely discharge if there is not at least a
partially charged battery in the terminal.
• Put the Dolphin in the HomeBase connected to power when the terminal is not in use.
Main Battery Pack
CAUTION!
Use only the 7.4V Li-ion battery packs provided by HHP. The use of any other battery pack in the Dolphin 9500/
9550 terminal will void your warranty and may result in damage to the Dolphin terminal or battery.
The 7.4V, 14.8 watt hour Lithium Ion (Li-Ion) battery pack is the primary power source for the Dolphin. For the location of the Li-
Ion battery on the terminal, see
The Li-Ion battery is designed to operate in a temperature range of -10 to 50°C (14 to 122°F). They can be stored between -30
to 80°C (-22 to 176°F).
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Battery/Battery Well
on page
3-5.
Dolphin® 9500/9550 Mobile Computer User's Guide
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