05-12-2011, 11:28 PM
I sold my 550 and have one battery left. It is a Voltz 5100 mah, 35c battery. I bought it in early March and have only put 6 easy break in flights on the battery. I always balance charge my batteries and take good care of them. It has a EC5 connector on it. These sell for $114.00. It is battery #4 in the picture.