About Us

Based in Taiwan and founded in 2002, Annren Technologies develops and produces, like components, power supply units and controller units for Electric Vehicles and Energy Storage System.


Annren specializes in battery-compatible DC/DC electrical power converters, on-board charges, integrated all-in-one high-voltage control units, power and battery distribution units, and battery disconnected units with fan or liquid cooled system.


Annren designs and manufactures customer made solutions to EV OEM customers globally, according to SAE / IEC standards. We provide our trusted customers around the world with safety, reliability, trust, and service.

Please feel free to contact us for product inquiries or customized projects.