Los Angeles-based electric vehicle battery maker Romeo Power says its is expanding its operations in Southern California, and has signed a lease for a new, 215,000 square foot facility in Cypress. According to the company, the new location is both its headquarters and will serve as a manufacturing facility. The company said the new faclity will supports its expansion of battery development and testing capabilities. Romeo Power is led by President and CEO Susan Brennan. The company develops batteries and battery management systems (BMS) aimed at a range of electric vehicles.