NEC PC-8201A - Battery Lifespan

Chapter 1
8 . Snap the top of the battery case in place. Install the battery
case as shown:
Battery Life Span
Different types of batte r ies may be installed in the main battery
case. The life span of diffe'ent batteries will vary according to
temperature and other conditions.
The approximate life span of different batteries:
• Alkali Batteries More than 18 Hours
• Standard Batteries More than 6 Hours
• Nickel-Cadmium Batteries More than 5.5 Hours
The NiCAD back up batteries have a life span of approximately 2Vi
years. At that time, you will be required to take the PC-8201 to an
Authorized NEC Dealer for replacement.
Remember that when the back up batteries are replaced
the RAM will be completely erased. It is recommended
that important files and programs be saved on cassette
tape prior to replacing these batteries.
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