I installed one in Karens bike a little over a year ago. No issues and I charge it on a Batter Tender (not the special Shorai charger). No issues so far and Karen really doesn't ride much.

Heres the link to my write up: Shorai install

SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq NEW: 19 Goldwing Tour DCT