Whether you're building a chopper, bobber or café racer, you'll find the custom motorcycle battery boxes that you need at Billet Proof Designs. Laser cut from 11-gauge steel with proper scalloped mounting tabs, these motorcycle battery boxes are not only easy to install, but they’re built to last. Perfect fit for OEM Harley Davidson batteries such as Deka and Odyssey as well as the all new lithium ion batteries from Antigravity, Shorai and EarthX. Battery boxes come in many different custom designs that utilize either a standard metal clamp or a leather belt tightly secure your battery in place. Custom Battery boxes ship either flat, with instructions and assembly hardware or fully fabricated for riders out there that need a battery box that will bolt up after some minor drilling. As always, Billet Proof Designs machines all custom chopper battery boxes with pride in the USA using domestic materials.