Yes, BALANCERS is a Scrabble word!

Letter values in Scrabble US: B 3, A 1, L 1, A 1, N 1, C 3, E 1, R 1, S 1.

Is it a valid word?

BALANCERS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

an acrobat who balances himself in difficult positions
either of the rudimentary hind wings of dipterous insects; used for maintaining equilibrium during flight