How to use the rechargeable battery pack, The battery life becomes shorter in a cold place – Sony GV-9 User Manual
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How to Use the Rechargeable Battery Pack
Battery life
A fully-charged NP-77 or NP-55 battery pack can operate this unit as follows:
NP-77
NP-55
Watching TV programs
Approx. 120 min.
Approx. 60 min.
Playback of VCR
Approx. 90 min.
Approx. 45 min.
TV program recording
Approx. 80 min.
Approx. 40 min.
Camera recording*
Approx. 60 min.
Approx. 30 min.
*When the optional CCD-G1 color video camera is connected.
Prepare battery packs of double or triple capacity of planned operating time
to be on the safe side.
The “operating time” described in the catalogs and operating instructions of the
video TV recorder is the time during which the unit can be used continuously
indoors with fully charged battery pack.
Fast winding or rewinding operation of the tape consumes much more battery
power than normal tape transport operation. Consequently, battery life becomes
shorter when fast winding or rewinding is performed frequently.
The battery life becomes shorter in a cold place.
Battery packs run out more quickly in low temperature.
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