https://shop-us.line6.com/hardware/parts-and-accessories/parts/wireless-parts/tbp12-battery-door-assembly/?setCurrencyId=1&gclid=CjwKCAiA5Y6eBhAbEiwA_2ZWIRKOztTk61OytmvAZs6Ibu8Dv8qM5rLJfNha4m9ibRi3atwTbbZC0xoCM88QAvD_BwE
But direct from Line 6. Shipping cost more than the door, but I'm in a jam as well.