r&m nevo3 gt vario

I am looking for some guidance here. Do you think having the second battery on rear rack will effect the handling with extra weight in rear and up high? I don’t really care for the aesthetics of 2nd battery but know the extra range will be nice. What are your thoughts?

Sadly I cannot get the ride time for this exquisite ebike and am selling at a huge discount. Newly purchased in January 2021, a gorgeous red 43 cm Nevo3 GT Vario (belt drive). Bosch Knox cockpit and 500 Wh battery. Less than 10 miles on this ebike. Paid $6068, asking $4600 firm. Prefer...