Back up batteries in Avance CS2 and Avance CS2 Pro anesthesia devices manufactured on or after April 1, 2019
Backup batteries can fail earlier than their estimated life.
Worldwide distribution - US Nationwide and the countries of Algeria, Australia, Austria, Bangladesh, Belgium, Brazil, China, Columbia, Costa Rica, Cyprus, Czech Republic, Denmark, Egypt, France, Germany, Greece, Hong Kong, India, Indonesia, Iraq, Italy, Japan, Kazakhstan, Kenya, Korea, Kuwait, Lao PDR, Latvia, Lebanon, Libya, Lithuania, Macedonia, Malaysia, Mexico, Morocco, Nepal, New Zealand, Norway, Oman, Panama, Peru, Philippines, Poland, Portugal, Romania, Russia, Saudi Arabia, Singapore, Slovakia, South Africa, Spain, Sweden, Switzerland, Taiwan, Thailand, Turkey, Ukraine, United Arab Emirates, United Kingdom, and Vietnam.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1285-2022