Fox ESS H1 3.7kW Hybrid Inverter & 11.52kWh EP12 Battery Bundle
Product Description
Fox ESS H1 3.7kW Hybrid Inverter with 11.52kWh EP12-H Battery Storage Bundle
Single Phase Hybrid Solar & Large Capacity Battery Storage Package UK
This complete Fox ESS energy storage package pairs the H1 3.7kW single-phase hybrid inverter with a large-capacity 11.52kWh EP12-H high-voltage LiFePO4 battery module featuring an integrated smart heating element. Designed for simple, notification-only G98 grid compliance in the UK, this high-capacity setup lets homeowners store substantial solar generation or cheap off-peak grid power for use during peak hours, complete with emergency power backup (EPS) protection.
Why choose the Fox ESS H1 3.7kW + EP12 11.52kWh Battery Bundle?
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G98 Compliant Grid Connection: Capped at 16A (3.68kW) continuous grid output for simple UK grid connection without prior DNO approval.
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Large 11.52kWh Storage Capacity: High-capacity EP12-H battery unit provides up to 10.37kWh usable storage (90% DoD) to power larger homes through the night or during winter months.
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Integrated Battery Self-Heating Element: Features smart internal heating technology to ensure reliable charging and optimal performance even in cold outdoor installations (-10°C).
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High-Efficiency Dual MPPT Inverter: Includes 2 independent MPPT trackers with a low 75V DC startup voltage for maximum solar harvest in variable light conditions.
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Modular & Scalable Architecture: Expand system capacity up to 46.08kWh by linking up to 4x EP12 units in parallel as household energy demand grows.
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Built-in EPS Emergency Power Supply: Keeps essential household circuits powered during grid outages with fast automatic switching (<20ms).
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Smart Tariff & App Optimization: Fully compatible with dynamic UK tariffs (such as Octopus Energy) for automated off-peak charging schedules via the FoxCloud app.
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IP65 Weatherproof Enclosure: Durable wall or floor mountable construction backed by a 10-year manufacturer warranty across both the inverter and battery module.
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Dedicated UK Support & National RMA Coverage: Direct access to Get Green Energy's UK-based technical support team with streamlined warranty backup and national RMA exchange services.
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Fast UK Delivery: Dispatched directly from Get Green Energy.
Technical Specifications & Dimensions
Fox ESS H1 3.7kW Hybrid Inverter
| Feature | Specification |
| Max. Recommended DC Power | 5,500 Wp |
| Max. DC Input Voltage | 600 V |
| MPPT Voltage Range / Startup | 80 V to 550 V / 75 V DC |
| MPPT Trackers / Inputs | 2 MPPTs / 1 String per MPPT |
| Max. Input Current per MPPT | 13.5 A / 13.5 A (Short-circuit: 16.2 A / 16.2 A) |
| Nominal AC Output Power | 3,680 W / 3,680 VA |
| Max. AC Grid Output Current | 16.0 A (G98 Limit) |
| Battery Voltage Range | 80 V to 480 V (High Voltage) |
| Max. Charge / Discharge Current | 50 A / 50 A |
| EPS Backup Power / Switching | 3,680 VA / <20 ms |
| Max. Inverter Efficiency | 97.8% (Euro efficiency: 97.0%) |
| Protection Degree | IP65 (Outdoor rated) |
| Operating Temperature | -25°C to +60°C |
| Communication / Connectivity | Wi-Fi / LAN / CAN / RS485 |
| Dimensions (W × H × D) | 430 mm × 410 mm × 178 mm |
| Inverter Weight | 23.0 kg |
Fox ESS EP12-H High-Voltage Battery Storage Module (11.52kWh)
| Feature | Specification |
| Nominal Energy Capacity | 11.52 kWh |
| Usable Energy (90% DoD) | ~10.37 kWh |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Nominal Voltage | 384 V |
| Operating Voltage Range | 348 V to 438 V |
| Thermal Management | Integrated internal battery heating element |
| Standard / Max. Discharge Current | 15 A / 30 A (5,760W continuous / 11,520W 5-min peak) |
| Round-Trip Efficiency | ≥95% |
| Protection Degree | IP65 (Outdoor rated) |
| Dimensions (W × H × D) | 710 mm × 640 mm × 185 mm |
| Battery Weight | 98.0 kg |
Total Combined Bundle Overview
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Total Battery Capacity: 11.52 kWh (expandable up to 46.08kWh)
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Combined System Weight: ~121.0 kg
Need Help Sizing or Installing Your Hybrid Solar & Battery System?
If you have questions about battery expansion, PV string design, or G98 grid compliance, call our team on 01684 642370 and our technical experts will help you configure the perfect setup.