Charge Your Tesla Smarter: How the Sunpura S2400 Saves EV Owners €70+ a Month

As electricity prices continue to climb across Europe, Tesla owners in Germany, the Netherlands, and Belgium are looking for new ways to lower their EV charging costs. One of the smartest emerging solutions? Combining solar energy with a three-phase home energy storage system.

Enter the Sunpura S2400 — a plug-and-play, three-phase-ready energy storage solution designed for real-world savings, especially when paired with a rooftop solar system.

The EV Charging Problem in 2025

The cost of electricity in Europe remains high, often ranging from €0.35 to €0.45 per kWh depending on your country and tariff. If you're charging a Tesla Model 3, which consumes roughly 15 kWh per 100 km, those numbers add up fast:

Monthly driving (1,000 km) = ~150 kWh
Monthly charging cost from the grid = €52.50–€67.50

If you drive more — or charge during peak hours — the real cost can be even higher.

How Sunpura S2400 Turns Solar into Smart EV Power

The Sunpura S2400 isn’t just a battery — it’s a modular, hybrid inverter + LiFePO₄ storage system that can operate in three-phase mode when combined with two additional units.

Key System Specs:

Per Unit Output: 2.4 kW (A2400 + B2400)
Total in 3-Unit Setup: 7.2 kW / 28.8 kWh
Compatible EV Charging Power Levels: 3.6 kW, 7 kW, 11 kW, and 22 kW
Integration Options: Type 2 wallbox chargers, dynamic tariff systems, smart scheduling via app

When paired with a 2.1 kWp solar array (e.g., 10 × 210W panels), the system generates roughly 6.5–7.5 kWh/day in summer — enough to cover the daily energy needs for 100 km of driving.

Real Monthly Savings: €72–€85 and Beyond

With dynamic electricity tariffs rising and smart metering becoming the norm, storing and timing your energy usage is no longer optional — it's strategic.

By using stored solar energy instead of grid power for your EV, Tesla owners can easily save:

~200–225 kWh/month in grid electricity
@ €0.36–€0.38 per kWh
That equals €72–€85 per month in avoided charging costs

And that doesn’t include additional household loads like lighting, refrigeration, or hot water — all of which can be optimized with the same system.

Seamless Setup – No Permits, No Electrician

Unlike traditional battery systems, the Sunpura S2400 is plug-and-play:

No professional installation required
No feed-in permits needed
Works perfectly with off-grid or semi-grid setups in garages, balconies, or mobile homes

It’s an ideal solution for renters, mobile homeowners, or DIY users who want the benefits of smart energy without the complexity.

Compatible with Tesla and More

Whether you're charging a Tesla Model 3, Model Y, or another EV, Sunpura’s system can handle the load. And with support for three-phase output, it integrates with higher-power EV chargers — helping you avoid slow charging speeds or power restrictions common in single-phase homes.

Conclusion: Real Energy Independence Starts at Home

As EV adoption accelerates in Germany, the Netherlands, and Belgium, charging costs will become a major concern — especially as dynamic grid pricing becomes widespread.

Sunpura’s S2400 system empowers users to take control of their energy use, reduce dependence on the grid, and unlock true cost savings — starting from the driveway.

If you’re looking to charge your Tesla smarter, cheaper, and cleaner, the Sunpura S2400 three-phase system is the plug-in solution you’ve been waiting for.