Is the battery used for anything besides powerfail recovery? What if you have a non-critical system? Can the battery be removed and "shunted" for safety reasons and still have a working system? Tracy M. Johnson TRW Automotive Electronics Sensors & Components -----Original Message----- From: Bruce Toback [mailto:[log in to unmask]] Sent: Monday, February 07, 2000 6:03 PM To: [log in to unmask] Subject: Re: Threaded Archive Outage, and Caution James Byrne writes: >What is the useful lifespan of a sealed lead-acid battery? Well, it's less than 14 years, 'cuz the one in our Micro3000 is dead :-). (Need to replace *that* before the next power failure, too.)