Balanced Count ( blackjack)

Any counting system which has an exact balance between plus cards and minus cards.
A card counting system is balanced when the sum of the card point values for the whole deck is equal to 0. An unbalanced count is when the sum of the point values is anything other than 0. Balanced counts include Hi-Low, Halves, Zen etc.
Unbalanced counts include Red 7, K-O and Uston's Unbalanced Zen count.