Replace AED Battery Event Details This event is running from 2 August 2027 until 5 August 2047. It is next occurring on August 2, 2027 Categories: Facilities, Safety Upcoming Dates: August 2, 2027August 4, 2031August 6, 2035August 1, 2039August 3, 2043August 5, 2047 Battery needs replacing every four years. It’s time now. Contact Cardio Partners, Inc.