You will need an aftermarket battery box for this pack to work in your XR, But will fit stock GT as well.
79.8v 19s2p 21700 cell pack (Fits XR Tourqe box)
$739.00Price
Built to order. Lead time≈14 business days.
50s: 50A 10Ah 684Wh 3420watts
P42A: 90A 8.4Ah 574Wh 6156watts
P45B: 90A 9Ah 615Wh 6156watts
P50B: 120A 10Ah 684Wh 8208watts