User's Manual
 Additional Procedures Battery Handling - 7
Battery Handling
The PowerBook140/145/
170 main battery is a nickel 
cadmium (NiCad) battery 
with a voltage of 5.65–7.5 
volts. Its longevity is 
estimated at 500 power 
cycles. To extend its 
longevity, follow the battery 
handling instructions.
±
Warning:
 The main 
battery contains toxic 
materials. Send undamaged, 
dead batteries to Apple for 
recycling—do not discard 
dead batteries with other 
Main Battery










