It was reported that during regular inspection of the cardiosave intra-aortic balloon pump (iabp), the customer discovered that the battery of slot 1 became empty during battery mode in 10 minutes after unplugging ac power from the device.The unit then switched to slot 2, but the battery became empty again soon after and the iabp unit shutdown.Both batteries were fully charged during the event occurrence.The customer reported that aside from this event, both charged batteries worked for 3 hours when the regular inspection had been done.There was no patient involvement or adverse event reported.
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