Originally Posted by
T-BirdJunkie
ThunderbirdJunkie just tried his GensAce 40c 5000 in his 4.1 that's been a 4.1 all its life, and it doesn't fit either.
with the 4.1 tower the gensace 40c and 50c fit perfectly in my buggy.
with the 4.1 tower i can run the battery in full forward or full rear position.
with the old b4 tower if i wanted to run the battery in the rear position it was really tight, but would work if the rear of the strap was put in first.