The longstanding Daymak Vienna just got a real overhaul! Daymak has upped the power of the tried and true Daymak Vienna. Featuring a powerful 84V battery pack while maintaining its slim and sleek design, this scooter is sure fire winner for all types of ebike riders. With its dual battery system that allows you to easily remove the batteries for storage or charging this becomes the ideal bike for people who live in apartments! Make the most of your. commute and do it in style with the Daymak Vienna 84V.