These packs will fit your stock Gt box and similar printed boxes. It will be tight, but. If you need a boost in power & range, these packs are the ticket
84v 20s2p 84v 21700 pack (For GT)
$700.00Price
0/500
50s: 50A 10Ah 720Wh 3600watts
P42A: 90A 8.4Ah 604Wh 6480watts
P45B: 90A 9Ah 648Wh 6480watts
P50B: 120A 10A 720Wh 8640watts