E-Bike Battery Bracket for Battery Adapter Frame Mount,Aluminium Alloy Mount Plate for Hailong Batteries,Ebike Conversion Kit for Battery Adapter Frame Mount

Haven't done this with the XP, I carry the second pack on my rear rack, but on my cargo bike (acoustic cargo bike with a bafang mid drive conversion) I used one of these and it worked great. The worst thing that could happen is the hose clamps are too small and you need to go to the hardware store and get bigger ones. https://a.co/d/03hm9pxi

and of course, the battery.After a ton of research, I'd recommend an em3ev battery. I've bought two from them.For the battery, you do need a frame mount. I used this from amazon: https://www.amazon.com/dp/B0CZ7QXMD1works perfectly.