Anybody ever bought any refurbished tt10 or tt15 collars and if so did you get good use from them, thanks.

Yea where can I buy some. Got 3 refurbished by Garmin almost a year old

have used several refurbished collars from Garmin,they seem to do a good job on collars.I also having good luck with the extended life battery, able to turn on when I load an still have plenty life when I get home.