Purrington had been a free agent after leaving the English League One Addicks, the place he made 115 appearances in three-and-a-half years.
The 26-year-old started his profession with Plymouth Argyle, making his debut in December 2013 on the age of simply 17.
Ross County have signed former Charlton Athletic left-back Ben Purrington on a two-year deal.
After making 64 appearances for Plymouth, Purrington joined Rotherham United in January 2017 for a reported £300,000 charge.
Throughout his time with the Millers, he frolicked on mortgage with AFC Wimbledon and latterly Charlton, in a transfer which was made everlasting in summer season 2019.
Purrington turns into the Staggies’ seventh summer season addition, becoming a member of Owura Edwards, Kazeem Olaigbe and Jordy Hiwula in signing for the Dingwall membership this week.
County final week added Victor Loturi, Yan Dhanda and Purrington’s fellow left-back George Harmon.
With Purrington having amassed greater than 250 appearances in his profession south of the border, County supervisor Malky Mackay feels his expertise will show a key asset for his facet within the Premiership this season.
Mackay stated: “We’re delighted to convey anyone of Ben’s expertise to Ross County. At 26, he’s within the prime of his profession and has an awesome observe report of video games and success behind him.
“We tracked Ben and recognized that he was a participant of actual high quality who can add to our group and be one of many extra skilled leaders within the dressing room.
“Ben has confirmed himself at numerous ranges of the sport and people experiences shall be necessary to us in what’s going to be an especially aggressive Scottish Premiership subsequent season.”