Just did it on my s710 . seems to work good. Just be sure the seal ring is clean and
Originally Posted by
viva
Has anyone tried changing the battery in a Polar HRM themselves (I've got the S725), rather than sending it back to Polar as they recommend? If so, any problems? When mine eventually runs flat, I'm not keen on sending it away and being without it for a few days (weeks?). Thanks.
in place when you put it back together. Battery was less than $2 on ebay