The Fortress Power Guardian is a smart IoT gateway hub that serves as the communication bridge between your Fortress Power batteries and the cloud. By connecting your battery bank to Wi-Fi or Ethernet, it enables real-time remote monitoring, automatic firmware updates, and direct access to technical support via the companion mobile app. It is an essential component for maximizing the lifespan of your system and is required to unlock extended warranty coverage on specific Fortress Power energy storage systems.

Why Choose Fortress Power Guardian

The Guardian is more than just a monitor; it is an insurance policy for your energy investment. Without it, checking battery health requires manual voltmeter readings or being physically present at the inverter. The Guardian puts detailed “battery-level” data—such as individual cell voltages and internal temperatures—right on your phone. Most importantly, it allows Fortress Power engineers to remotely view your system’s history to diagnose issues instantly, drastically reducing troubleshooting time and potential downtime.

MOBILE APP FEATURES

• Cloud-Connected Convenience
  The Guardian connects to Wi-Fi and automatically detects Fortress Power batteries, giving you instant access to your system’s data from anywhere.
• Battery-Level Monitoring in Real Time
  Track critical metrics such as State of Charge, voltage, current, and battery temperature — all from an easy-to-use mobile interface.
• Streamlined Warranty Submissions
  Register your products and submit warranty claims directly through the app for faster service and long-term peace of mind.
• Remote Firmware Updates
  Keep your system running at peak performance with remote battery firmware updates, accessible anytime — no site visit required.
• Faster, Smarter Technical Support
  Securely share installation and diagnostic data with Fortress Power engineers to receive faster, more accurate technical assistance.
• Live Chat Support, Right in the App
  Connect directly with Fortress Power’s technical support team through live chat, plus access additional tools and resources — all in one place.

General Data

• Dimensions (H x W x D): 6.0″ x 7.25″ x 1.25″ (152 x 184 x 32 mm)

• Weight: 0.8 lbs (0.36 kg)

• Housing Material: ABS Plastic

• Operating Temperature: -4°F to 131°F (-20°C to 55°C)

• Ingress Protection: IP23 (Not waterproof)

Frequently Asked Questions

Q1: Do I absolutely need the Guardian for my batteries to work?

No. Your batteries will function perfectly fine without it. However, you will lose the ability to monitor them remotely, receive automatic firmware updates, and easily claim extended warranties.

Q2: Can I install the Guardian outdoors?

No. The Guardian is rated IP23, which means it is not waterproof. If your batteries are outside (like the IP65 eFlex or eVault), the Guardian must be installed inside a weatherproof junction box or located indoors and connected via a long communication cable.

Q3: Does it work with non-Fortress batteries?

No. The Guardian is specifically programmed to read the proprietary BMS (Battery Management System) data of Fortress Power products only.

Q4: How does it power itself if the grid goes down?

The Guardian has a 48V DC input that allows it to be wired directly to the battery bank. This ensures that even if the grid fails and your AC outlets are dead, the Guardian stays online to monitor your backup power usage.

Q5: Is there a monthly fee for the app?

Currently, Fortress Power does not charge a monthly subscription fee for the standard monitoring features provided by the Guardian app.

If you have any questions about the item or your order, please feel free to message before purchasing. Thank you!