Intellisense Battery for Powerheart G3 AED Part No. 9146-302 Yellow IntelliSense Long-Life Battery for Powerheart AED G3 by Cardiac Science. 4-year guarantee. Powerheart G3 9300A, 9300E, 9390A, and 9390E AEDs This battery replaces the 9146-101, 9146-102, 9146-202, and 9146-302. This battery is manufactured by Cardiac Science for use in their AED units. URGENT: Direct from Cardiac Science if ordered from CARDIAC LIFE Products*****