North Sea 5kW Hybrid Inverter
Eleven Energy

North Sea 5kW Hybrid Inverter  

by Eleven Energy  

Smart Power | Built to Last | Ready for the Future  

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Straightforward Energy, Built Around You

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The North Sea Hybrid Inverter is a solid, no-nonsense option for larger homes or anyone serious about reducing their energy bills. It’s built around sodium-ion battery compatibility and uses Silicon Carbide technology to improve efficiency and lifespan — so you get more out of your system, for longer.

It’s quiet, fanless, and works in all weathers. Once it’s set up, you can monitor everything in real-time using the app — from charge levels to what’s being exported or used around your home. You can even schedule charging overnight on cheaper tariffs to bring costs down further.

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Key Features

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- 5kW continuous power — ideal for high-usage homes

- Up to 100A charge/discharge for fast cycling

- Smart controls — works with solar, EV chargers, and appliances

- Tariff-compatible — charge cheap, use smart

- Dedicated backup port — for emergency supply

- App + UK cloud monitoring — see and control everything

- Natural cooling — silent operation (<25 dB)

- IP65 rated — indoor or outdoor installation

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Technical Overview

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[AC Output - On-Grid]

- Output Power: 5 kW

- Voltage: 230 V (Single Phase)

- Max Output Current: 22.7 A

- Grid Range: 184–276 V, 45–65 Hz

- Power Factor: 0.8 lead – 0.8 lag (adjustable)

- THDi: <3%, THDu: <2%

[PV Input]

- Max PV Power: 8 kWp

- MPPTs: 2 inputs (1 string each)

- MPPT Voltage Range: 80–550 V (Full Load: 350–500 V)

- Max Input Voltage: 600 V

- MPPT Max Current: 18 A / 18 A

- MPPT Short Circuit Limit: 22 A / 22 A

- Peak Efficiency: 98%

[Battery]

- Type: Sodium-ion

- Nominal Voltage: 45 V

- Voltage Range: 33–59.5 V

- Max Charge Voltage: 60 V

- Max Charge/Discharge Current: 100 A

- Efficiency: 95.2% (Round Trip)

[Environmental & Mechanical]

- Cooling: Natural (fanless)

- Noise: <25 dB

- Dimensions: 500 × 470 × 180 mm

- Weight: 23 kg

- Protection: IP65

- Temp Range: -25°C to 60°C

- Humidity: 0–100%

- Standby Loss: ≤10 W

[Communication]

- Interfaces: RS485 / CAN / Parallel

- Monitoring: LED + App + UK-based cloud

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Certifications & Protection

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[Compliance]

- Grid Ready: G99 & G100

- Certified to:

  - IEC 62109-1/2, EN 62109-1/2

  - IEC 62477-1

  - EN 61000-6-1/2/3/4, EN 62920

[Built-in Protections]

- DC Isolator (EN 60497-3)

- Residual Current & Insulation Monitoring

- Anti-islanding Protection

- Overload / Short Circuit / Overvoltage Protection

- Surge & Lightning Protection

- Reverse Polarity Protection (PV & Battery)

- Level 3 AC Overvoltage / Level 2 PV-Battery Overvoltage

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Is It Right for You?

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This inverter is a smart fit if:

- You want to store energy from solar or off-peak tariffs

- You need a quiet, robust system that runs itself

- You want control without the complexity

- You’re building for long-term performance

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Contact & Next Steps

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Speak to us about pricing, availability, or a feasibility check.  

We'll help you get the right setup — no guesswork, no nonsense.