The investors of Micro Power Electronics sold the company to California private investment firm Weston Presidio for an undisclosed amount. Micro Power CEO Greg Love says the transaction will give the company the stability to expand further and remain in Oregon. “We continue to grow here,” Love says. The company, which has 250 employees, had revenue of just over $40 million last year and Love says the plan is to double that number in the next two years. Micro Power makes custom battery systems for portable electronics in markets such as medical devices, retail and homeland security.