TASCAM BP-6AA External Battery Pack for Portable Digital Recorder
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<b>[Product Information]</b><br>
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<li>Increases DR-40 recording time from 17.5 hours to over 50 hours</li>
<li>Tripod screw mounts under DR-40</li>
<li>Powers through USB cable</li>
<li>Holds six AA batteries</li>
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