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AlphaESS is redefining home resilience with the new Dual-System Backup Gateway.

The AlphaESS Dual System Backup Gateway is a high-capacity hub that bridges the gap between standard storage and off-grid mastery. With a maximum input power of 23 kW and a maximum input current of 100 A.
AlphaESS Dual-System Backup Gateway unit
24/7 UPS backup power icon

Engineered for true energy independence.

AlphaESS Dual-System Backup Box: The Ultimate Solar Gateway for Whole-Home Resilience. Experience true energy independence with the new AlphaESS Dual-System Backup Box (Gateway). Engineered as a high-capacity hub for home solar battery systems, this gateway bridges the gap between standard energy storage and off-grid power mastery.

Whether you're looking for a seamless automatic transfer switch or a robust whole-home backup solution, AlphaESS provides the reliability needed to keep your critical loads running during grid outages.

Ben Price of Heatable takes an in-depth look at the AlphaESS Backup Gateway.

Key features of the
Backup Gateway

Capture is qualified for several UK flexibility markets, including wholesale markets and DNO flexibility markets. These can unlock further revenues from your battery!
100A
Maximum Input Current, Whole-home Backup Solution.
Seamless Switchover
with no loss of power < 20ms*.
Built-in Bypass
circuit for system stability.
24/7 Online Monitoring
with the AlphaCloud App.
Up to 2* Inverter
Input, Large System Capacity.
IP65 Enclosure
for safe Outdoor Installation.
10-Year Warranty
for Long-term Reliability.
*The On / off-grid switching time and inverter input depend on the inverter installed.
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Instant UPS-Grade Switching

Never miss a beat with intelligent automation that instantly responds to grid outages. Ultra-fast transition technology delivers seamless UPS-level backup power, keeping your home office, smart devices, and essential systems running without interruption.

Built-in Surge Protection (SPD) adds another layer of security, helping protect sensitive electronics and your solar investment from voltage spikes, lightning activity, and electrical disturbances.

Twin-System Integration

Seamlessly scale your energy storage by linking two AlphaESS BESS units through a single, unified interface. This configuration doubles your backup power capacity, making it the ideal solution for larger households and high-demand energy users.

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Find an authorised installer

All AlphaESS UK Authorised Installers are trained and certified to carry installations across our product range. You can search for an installer who covers where you live and receive quotations based on your system requirements.
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