KT- 36V/48V 9Mosfets Sine Wave Controller for 10S/13S/14S Big Hailong 1-2 Case 65pcs cells [Hailong 1-2 22A Controller] - $45.60 : Zen Cart!, The Art of E-commerce
Big Hailong Battery controller 36V/48V22A 9Mosfet KT Sine Wave Controller | eBay
Hailong-1 vs Hailong-3 Mounting Question - Electricbike.com Ebike Forum
Big Hailong battery case controller 36V/48V 22A 9mosfers KT sine wave controller | eBay
36V 500W 48V 500W Polly DP-6C controller KT Polly battery case controller for 10S/13S/14S 36V / 48V 22A 9 mosfers - Price history & Review | AliExpress Seller - TopBikeKit Store | Alitools.io
36v 250w hailong built in kt controller set with Julet connector-Greenbikekit.com BBS, ebike batteries, Bafang M620, Bafang M600, Bafang M500, Bafang M510, KT controller with display-GreenBikeKit.com
For anyone with a hailong style battery pack, there is room to add a blade fuse into the baseplate of the battery. Safety first. It gets covered by the battery when fitted