Career
Banahene is most comfortable in attacking roles, mainly striker, winger or offensive midfielder. On June 3, 2006, Heart of Lions F.C. signed him to a 3-year contract. He was then bought by Israeli side Hapoel Petach Tikva in the summer of 2008.
However, he received limited playing opportunities in first half of the 2008/2009 season and was subsequently loaned to lower-division side Ramata Shalon.
At the end of his loan, in October 2009, he returned to Ghana to sign a new one-year contract with Heart of Lions F.C., starting a second stint at the club In 2010, Banahene was sold again, this time to Berekum Chelsea, and then again the following year, to Turkish club Orduspor.
In 2012, he was loaned to TFF First League team Giresunspor. In summer of 2012, he signed a one-year loan deal with Karşıyaka.On December 24, 2012 he terminated his agreement with Orduspor.
In January 2015 he signed for Ismaily South Carolina in a two and a half years deal.