Direct: (503) 987-4002
Main: (503) 987-4000


The Expion360 E360 500A Nickel-Plated Copper Bus Bar Set is designed specifically to connect Expion360 EX1 lithium batteries in parallel, allowing you to build a higher-capacity battery bank with maximum efficiency and reliability. These bus bars are precision-fit to the EX1 battery terminals to ensure the best possible electrical connection, helping reduce resistance and improve overall system performance.
Constructed from high-quality copper and nickel plated to prevent oxidation, these bus bars are built for long-term durability in high-current applications. With a 500-amp rating, they are engineered to handle the demands of extreme-capacity lithium battery systems while maintaining safe and efficient power transfer.
These bus bars are uniquely designed and rated for connecting two EX1 batteries in parallel only, making them the ideal solution for users looking to expand their EX1 system while maintaining proper electrical integrity and performance.
We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.
If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.
We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.
Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.
Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.
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