Welcome to J-Sales

J-Sales is a San Diego Electronics Manufacturers' Representative for Uninterruptible Power Supplies (UPS systems).


Marathon Power is your #1 source for premium uninterruptible power.

Marathon Power provides custom and application-specific uninterruptable power supplies (UPSs), many of which fill a niche in the UPS market. Its off-the-shelf products are designed to fit unique needs but also serve as a jumping-off point for further customization, providing the client with a tailored product. All products are made to ISO 9001 Certified Standards in the world's top manufacturing facilities.
Marathon Power follows UPS market trends closely to keep up with the latest technology and provides fast product delivery to keep clients’ critical equipment up and running, minimizing possible downtime.

Expect exemplary service, superior product quality and reliability in the ever-expanding world of power.

 New Product  

  The Vault High Power Series

Vault High Power Series Product Information

Vault High Power 1000VA-3000VA Specifications