https://community.hpe.com/t5/disk-enclosures/ra4000-controller-cache-battery/m-p/3547329#M16206 Can this battery be replaced if it hits end of life and dies or does it require the entire controller card to be replaced? If the the cache battery backup is dead how will it impact read/write performance? We are experiencing acceptable read performance but very, very poor write times. Wed, 18 May 2005 12:23:34 GMT Tom Conrady 2005-05-18T12:23:34Z https://community.hpe.com/t5/disk-enclosures/ra4000-controller-cache-battery/m-p/3547329#M16206 Can this battery be replaced if it hits end of life and dies or does it require the entire controller card to be replaced? If the the cache battery backup is dead how will it impact read/write performance? We are experiencing acceptable read performance but very, very poor write times. Wed, 18 May 2005 12:23:34 GMT https://community.hpe.com/t5/disk-enclosures/ra4000-controller-cache-battery/m-p/3547329#M16206 Tom Conrady 2005-05-18T12:23:34Z