Expion360 Bus Bars for EX1 BatteryThe E360 500 A Nickel Plated Copper Bus Bar Set is designed to connect the E360 EX1 lithium batteries in parallel to create a higher capacity battery bank. The bus bars fit precisely on the EX1 battery terminals to make the best electrical connection possible, lowering resistance and increasing efficiency. The copper bus bars are nickel plated to help prevent oxidation of the copper. These unique bus bars are only rated for two EX1 batteries in