Philips FRx AVIATION Replacement 4-Year Battery | 989803139301
For Aircraft Use. Philips Lithium Ion 4-Year Battery for the FRx AED. Delivered to you with Philips' 4-year warranty and 200+ shock capacity, just like your original battery pack. Complies with TSO C-142. Philips brand AEDs operate on batteries only. Always have a fully charged spare available.