A Smarter, More Versatile Locker Lock Has Landed: The Salto XS4 ECO.Lock

Salto’s next-generation retrofit electronic locker lock is designed to bring the advantages of smart access control to lockers and cabinets, while eliminating the complexity of wiring and infrastructure. 
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July 31, 2025
2 min read
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Salto, a global leader in smart electronic access control solutions, today announced the release of the XS4 ECO.Lock. Compact, durable, and fully integrated into Salto’s smart access ecosystem, this latest innovation delivers enhanced security, flexibility, and efficiency across a broad range of environments – workspaces, education, sports/amusement, healthcare – that require secure storage options.

The XS4 ECO.Lock features a fully wireless “plug & play” configuration designed for rapid and seamless installation, making it the perfect retrofit lock. The absence of wiring or the need for additional infrastructure ensures it adapts perfectly to all kinds of metal or wood lockers. Its reversible nature means it fits effortlessly to right- or left-handed locker doors. This cost-effective solution is also a great choice for new builds, where style and function are paramount.

Say goodbye to lost keys and forgotten codes

The XS4 ECO.Lock supports RFID, NFC, and Bluetooth Low Energy (BLE) technologies, enabling access using smartcards, digital keys, or mobile credentials. As mobile credentials become more widely adopted, businesses can use the XS4 ECO.Lock to offer a more intuitive, user-friendly experience that meets growing expectations for mobile access.

The XS4 ECO.Lock can be fully managed through Salto’s smart access platforms, providing operators with enhanced visibility and user administration functionality. Audit trails and status updates can be viewed in real time, helping to streamline operations and deliver optimal security across a facility.  

Engineered for maximum performance and flexible design 

The state-of-the-art the XS4 ECO.Lock boasts a dual-color display to denote locker availability and can be accessed by simply holding an authorized user credential over the lock. Built using halogen-free V0 flame-retardant PC plastic, it is designed for long-term performance and an improved user experience. Power is delivered via three AA batteries. Battery life is optimized through intelligent power management. Low battery notifications are delivered through user credentials (SVN) or wirelessly via BLUEnet, minimizing downtime and facilitating maintenance. 

Salto XS4 ECO.Lock highlights include:

  • Quick installation
  • Ideal for retrofit or new build projects
  • Integrates advanced smart access and ID technology, mobile credential & wireless connectivity
  • Sleek, in-the-door locker design
  • Enhanced battery life
  • Low maintenance

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