Narrative:

We were climbing through some weather (rain) and the captain asked me to call the flight attendants after I preformed the climb checklist to inform them to remain seated. The flight attendants acknowledged and said a passenger was ringing the call button over and over; they stayed seated but asked us to make a PA. After making the PA; the flight attendants called us a few minutes later to inform us the frantic passenger had gate checked a bag containing a lithium ion battery built into a portable breast pump. We informed dispatch and continued operations. Just in case we reviewed the QRH for a cargo fire and also reviewed diversion airports and weather there along our route if needed. We landed without incident.gate agents should remind pax about the dangers of such things when gate checking a bag.

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Original NASA ASRS Text

Title: EMB-175 First Officer reported a passenger informed the Flight Attendant that she had gate checked a bag containing a Lithium-Ion battery.

Narrative: We were climbing through some weather (rain) and the Captain asked me to call the flight attendants after I preformed the climb checklist to inform them to remain seated. The flight attendants acknowledged and said a passenger was ringing the call button over and over; they stayed seated but asked us to make a PA. After making the PA; the flight attendants called us a few minutes later to inform us the frantic passenger had gate checked a bag containing a Lithium Ion battery built into a portable breast pump. We informed Dispatch and continued operations. Just in case we reviewed the QRH for a cargo fire and also reviewed diversion airports and weather there along our route if needed. We landed without incident.Gate agents should remind pax about the dangers of such things when gate checking a bag.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.