Fox ESS H1-3.7-E-G2 3.7kW Inverter: The Smart Single Phase Hybrid Inverter for Home Energy Management

Take control of your home's energy day and night with the Fox ESS H1-3.7-E-G2, a sophisticated 3.7kW single-phase hybrid solar inverter. This second-generation unit is designed to intelligently manage power from your solar panels, the grid, and compatible high voltage storage batteries. Maximise your solar self-consumption, reduce reliance on expensive grid electricity, and gain peace of mind with backup power capabilities.

Integrated Battery Energy Storage Management

What is the correct type of inverter for batteries? A hybrid inverter like the H1-3.7-E-G2 is specifically designed for this purpose. It directly connects to and manages compatible high-voltage solar batteries (like the Fox ESS range, using LiFePO4 technology). The technical documentation shows it supports a wide battery voltage range (80-480V) and efficient charging/discharging (up to 40A). This seamless integration allows you to store excess solar energy generated during the day for use during peak evening hours or overnight.

Optimised Solar Generation with Dual MPPT

Ensure you're getting the most from your solar panels. The H1-3.7-E-G2 features dual Maximum Power Point Trackers (MPPTs), as detailed in the specifications. This allows for flexible system design, optimising power generation even if your panels are installed on different roof sections or experience partial shading. With a maximum recommended PV input power of 5500W, it can handle typical residential arrays effectively.

High Efficiency & Tariff Optimisation

This hybrid solar inverter boasts high efficiency ratings, with the datasheet noting up to 97.04% maximum efficiency and impressive battery charge/discharge efficiency. Crucially, by storing your own solar energy, you can significantly reduce the amount of electricity you need to buy from the grid, especially during peak times. Advanced settings may also allow charging from the grid during cheap off-peak periods (e.g., overnight Octopus tariffs), further enhancing savings potential – a key benefit for users on time-of-use energy tariffs.

Emergency Power Supply (EPS) Function

Gain resilience against power cuts. When paired with a compatible battery, the H1-3.7-E-G2 provides an Emergency Power Supply (EPS) output. The product information confirms it can deliver up to 3680VA of backup power almost instantly (<20ms switch time) to keep essential circuits running during a grid outage.

Robust Build & Remote Monitoring

Built for durability, the H1-G2 series features an IP65 rating, making it suitable for outdoor installation with appropriate solar cabling and solar mounting systems. You can easily monitor your system's performance, including solar generation, battery status, and energy consumption, via the Fox ESS Cloud platform using optional WiFi, LAN, or 4G communication modules.

Why Evergy Recommend This Product

The Fox ESS H1-3.7-E-G2 is one of the best hybrid solar inverters for UK homes because:

• All-in-One Solution: Combines solar inversion and battery management efficiently.
• High Voltage Battery Compatibility: Works seamlessly with efficient high-voltage storage systems.
• Optimised Solar Harvest: Dual MPPTs maximise generation from various panel setups.
• Backup Power Ready: Includes EPS functionality for power cut protection (requires battery).
• Smart Monitoring: Allows easy tracking via app or web portal (requires dongle).

Ideal For / Target Audience

This 3.7kW hybrid inverter is perfectly suited for:

• Standard UK homes installing a new solar PV and battery storage system.
• Homeowners looking to maximise solar self-consumption and reduce grid reliance.
• Users on time-of-use or dynamic energy tariffs seeking to optimise energy costs.
• Properties needing a reliable backup power source for essential loads during outages.

Technical Specifications Overview

Key specifications for the H1-3.7-E-G2, according to the datasheet, include:

• Rated AC Output Power: 3680W
• Max. Battery Charge/Discharge Current: 40A
• Number of MPP Trackers: 2
• Max. Efficiency: 97.04%
• EPS Output Power: 3680VA
• Protection Degree: IP65

For full technical details, please review the specifications tab or the complete H1-G2 datasheet. If you require more power, consider the Fox ESS H1 5.0kW Hybrid Inverter.

Take Control of Your Home Energy

Invest in the smart Fox ESS H1-3.7-E-G2 hybrid inverter and compatible high voltage batteries for ultimate energy management. Pair with quality solar panels and ensure professional installation. Contact Evergy today for expert advice on building your solar and storage system.