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Review title: Ultralife U9VL-BP DEAD Out of Package
Product review: Opened up a Ultralife U9VL-BP battery which stated on thepackaging "Best if used by 2018". I tested battery and it isalready DEAD in 2011. Two others used in smoke detectors:one is working okay so far but other died earlier than the priorDuracell. So of the three batteries, only one "might" be good.
