Amazon.com: Custom Antigravity AG401 & SC-1 Steel Motorcycle Battery Box for 4-Cell Lithium Battery – “SWISS” Design/BELT Style Hold Down (4-5/8" x 1-11/16") DIY “Builders” FLAT BOX/NOT WELDED - Made in USA :
ANTIGRAVITY Aluminum Battery Box Tray Race Car / Motorcycle OEM Case 8 Cell | eBay