NEC MOBILEPRO 780 User Manual page 55

Power
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AC Adapter
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Main battery — one rechargeable Lithium-Ion (Li-Ion)
battery pack (included).
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Memory backup — approximately 7 days (with de-
pleted main battery) at ambient temperature of 73 F
(23 C).
Note:
vary with ambient temperature and other factors. Al-
ways make sure that your MobilePro is powered off
before you store it. Always recharge your MobilePro
as soon as possible after depleting the main battery.
Recharge Time
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Use the AC adapter to recharge the MobilePro main
battery and the backup battery.
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Recharging time is approximately 4.5 hours when the
system is on or off.
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The backup battery usually recharges while the main
battery is recharging.
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Initial charging time for the main battery and the
backup battery is approximately 10 hours with the
system off.
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The system must be charged for 10 hours if the main
battery is depleted for a prolonged period.
Input Voltage — 100 to 240 volts AC, 50 or 60 Hz
Output Voltage — 9.0 volts, 1,000mA max.
The period for safe memory backup can
Specifications B-3