Marstek Jupiter C Plus: All-in-one storage system for flexible self-consumption

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Marstek jupiter c plus is a compact, weatherproof energy storage system with 800 W output power and modular expansion up to 10,24 kWh – ideal for balcony power plants and self-consumption.

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• updated: July 18, 2026
• Suitable for: Readers who are looking for information about “Marstek Jupiter C Plus: All-in-One Storage” or preparing a decision.
• Limits: Availability, pricing, firmware, compatibility, and regional specifications are subject to change.
• Database: Manufacturer specifications and the technical information mentioned in the article. Check the current manufacturer's documentation before purchasing and installing.

Marstek Jupiter c plus is a weatherproof, modular, all-in-one storage system specifically designed for use with balcony power plants. With a PV input power of up to 2.400 W, four MPPT inputs, as well as one Basic capacity of 2,56 kWh (expandable up to 10,24 kWh), the C Plus offers a scalable solution for users who want to use their solar power as efficiently as possible.

An integrated inverter with 800 W output power and control via Touch display or app ensure simple and transparent use in everyday life.

Discover Marstek Jupiter C Plus – Compact all-in-one storage system for balcony power plants

A key feature of the Jupiter C Plus is the Anti-feedback technology, which in combination with a compatible Smart meter – for example, the Marstek CT002, Shelly Pro 3EM or HomeWizard P1 – enables the electricity generated to be used specifically in the household without being fed into the public grid.

This function is particularly relevant for users who want to stay within the 800 W feed-in limit or who deliberately forgo feed-in tariffs in order to maximize self-consumption.

Smart Meter CT002: Precise measurement, fast response

The Marstek CT002 was developed for three-phase consumption measurement and is compatible with various Marstek devices, including the series JUPITER, VENUS and SATURN. Technical features include:

• Three-phase measurement with ±1% accuracy

• Bluetooth and WiFi connectivity

• Response time under 10 seconds

• Mounting on top hat rail (DIN rail), installation by qualified personnel recommended

In the App The power flow can be tracked in real time. Some users also report stable integration without additional systems.

Installing the Marstek Jupiter C Plus – Plug-and-play in just a few steps

The commissioning of the Jupiter C Plus This is achieved via a simple plug-and-play concept:

1. Place on a stable surface (e.g. concrete, stone)

2. Connection of the PV modules via MC4 cables (up to four MPPT inputs available)

3. Connection to the home network via the supplied AC cable

4. Turn on and pair the app

Weighing around 28kg is the Gerät It is relatively easy to handle, and thanks to its compact housing (480 × 320 × 230 mm) it is also suitable for smaller areas such as balconies or garage corners.

Marstek App & Control – How the Marstek Jupiter C Plus works in everyday use

The associated one Marstek App (Android/iOS) enables convenient management:

Suitable system at Mini Power

The product selection was compared with the currently published Mini Power range.

• Select region “Europe”

• Connection via QR code or Bluetooth

• WLAN configuration

• Display of battery level, solar production, consumption in real time

• Basic settings and device management

The App It is functionally designed and covers the essential requirements for daily use.

Modular storage expansion – up to 10,24 kWh

The Jupiter C Plus can be used via separately available Expansion modules of 2,56 kWh to up to 10,24 kWh Each module uses LiFePO₄ cells with a service life of over 6.000 charge cycles (up to 80% remaining capacity) and is automatically detected and integrated – without any additional configuration.

The modular concept offers flexible adaptation to growing energy needs, for example when upgrading the PV system or when household electricity consumption increases.

Integration of the smart meter in the Jupiter C Plus – quick & easy

The connection between storage and Smart meter This takes place over the same Wi-Fi network and usually only takes a few minutes:

1. Current sensors of the CT002 connect to the three phases

2. Enable Bluetooth search in the app

3. Pair device and apply settings

If you have connection problems, we recommend restarting the app or looking at the manufacturer's official instructions or video tutorials.

Conclusion

Compact, smart, independent: The Jupiter C Plus is yours Plug-&-Play balcony power plant storage with Anti-feed, MPPT technology and up to 10,24 kWh LiFePO₄ power – for genuine self-consumption without detours.