Philips FRX Replacement Battery

Philips FRx Replacement Battery. Replacement battery has 4-year lifespan from time of insertion and works in Philips HeartStart OnSite, Home and FRx units. Note that upon replacement, the unit will self-test. This is normal. Just follow the instructions (takes about 1 minute). If you have any problems, please call us and we will help you do it.Works with Philips Model Nos: M5066A, M5067A, M5068AWarranty and Expiration: 4 years from installation date Easy to install Make sure you write the install date and expire date (add 4 years to the install date)  on the battery itself Free Shipping Note: we track the expiration date of these and batteries and will let you know when they are about to expire.  This is a free service.