Battery life of texas instrument BA II Plus calculator

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Ashwani Rathi

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I dont want my calc battery to dry in middle of the exam.. any idea how long can the pre installed battery run?????
 
I have been using them for the past 2 years unchanged and no issues.
Why take a risk. A week before the exam change your battery and make sure it works. Have a spare battery with you anyway!
 
replacing the battery takes 2 seconds.. just bring a spare to the exam
 
Ashwani Rathi wrote:
I dont want my calc battery to dry in middle of the exam.. any idea how long can the pre installed battery run?????
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Long enough to fail each level at least 3 times without having to worry about your calculators….but if it’s keeping you awake at night, simply bring an extra battery to the test center….and problem solved
 
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