Battery
Your OneTouch® Ultra® Meter comes with a pre- installed 3.0 V (#2032 or equivalent) lithium battery. The battery will provide you with enough power to perform about 1,000 tests. When replacing the battery, use only a 3.0 V (#2032 or equivalent) lithium battery.
The meter will alert you when the power is getting low by displaying two different messages:
1. The É symbol appears on the display with the unit of measure when the meter is turned on and all other display messages are functional. From the time the É symbol first appears, there is enough power left for about 50 tests. The test results will be accurate, but it is time to change the battery.
2. When the É symbol appears on the display by itself, it means that the battery will not provide enough power for a test. You must change the battery.
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