MARSTEK · STORAGE

Marstek B2500-D 2240 Wh Balcony Power Plant Storage

SKU: 14008

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Storage capacity
2240 Wh
Size of the offered storage configuration
PV/charging input
AC-coupled
Purchase-relevant information regarding the offered version
1. Adjust DOD
50% recommended, 30% in extreme frost.
Purchase-relevant information regarding the offered version
Lifespan / Technology
LiFePO4
For long-term land use planning
Autumn Special
€499,00 €589,00 You save €90,0015 % OFF
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Up to 30 years guarantee

Enjoy maximum security: Up to 30-year warranty on high-performance modules, 10–12-year product warranty on inverters, and 10 years on battery storage systems (with a 15-year lifespan). For other products, please refer to the specific details in the respective product documentation.

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Mini Power · Product Information

Product description

Marstek B2500-D Balcony power plant storage 2240 Wh --Marstek B2500 balcony power plant with a 2240 kWh LiFePO4 battery for solar storage.

Marstek B2500-D User Manual (German)The instruction manual is part of the confirmed scope of delivery; please check the current version before commissioning.

 

Delivery:

 

1x MARSTEK B2500-D balcony power plant storage
4 × 3 m MC4 extension cables for inverter connection
1x warranty card
1x Operating manual B2500-D
1x MC4 removal tool

 

Marstek B2500-D storage for balcony power plant This is an AC-coupled storage system with a 2240 Wh capacity and is based on durable LiFePO₄ battery technology. Thanks to its plug-and-play installation, it is particularly user-friendly and ideal for DIY installations. With over 6000 charge cycles at 80% capacity and a robust design that withstands temperatures from -10°C to 40°C, it is suitable for a wide range of applications. Marstek B2500-D Storage for long-term use in demanding environments. Safety is ensured by an integrated battery management system. Marstek B2500-D storage supports the MQTT protocol, enables control via app and offers a 0-input.

Special features of the Marstek B2500-D:

  • --Efficient and easy to install: Easy to install and compatible with most solar panels – perfect for balconies, terraces or roofs.

  • --Scalable storage capacity: Start with 2240 Wh and expand the capacity to up to 6720 Wh with two additional power packs.

  • --Quick and effortless installation: Marstek B2500-D is ready for use in 15 minutes – simply plug in and use solar power.

  • --Weatherproof and durable: With IP65 protection, the storage device is protected against water and dust, making it ideal for outdoor use.

  • --Intuitive app control: With the app you can monitor energy consumption and adjust performance as needed.

  • --Reliability and service: Over 6000 charging cycles, a service life of more than 10 years, a 10-year battery warranty and lifetime technical support.

 

Mini Power (New Power GmbH) is an official distributor of Marstek in Europe and is committed to selling the original products of Marstek B2500-D 2240 Wh Balcony Power Plant Storage from Marstek.

 

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Product history

Marstek_B2500-D_Storage_Balcony Power Plant_1

Marstek B2500-D storage for balcony power plant

GENERAL
Dimensions: Capacity:
input power:
Input current:
Charging temperature:
Discharge temperature:

296 x 175 x 350 mm
2240 Wh
500W x 2 Max
13.5A*2 Max
-10℃ to 55℃
-10℃ to 40℃

SAFETY
Water resistance:
Warranty:
Certificate:

IP65K
10 years
EN IEC 62109-1/-2
EN IEC 61000-61/2/3/4
IEC 62619: 2022
WEEE
RoHS
REACH

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IP65 water and dustproof

IP65 water and dustproof

Thanks to IP2500 certification and heat- and fire-resistant materials, the Marstek B65 remains reliable at all times – whether rain, sun, or extreme temperatures. More than just a device, it's a reliable companion for your energy supply.

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Intelligent energy distribution with the smart meter

Intelligent energy distribution with the smart meter

The Marstek Smart Meter records a household's total electricity consumption and transmits the data to devices like the B2500. Based on this real-time data, the B2500 can analyze and optimize energy flow by selectively controlling how much electricity is fed into the grid. This maximizes energy efficiency and minimizes waste.

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Variants

Datasheet & Instructions

Verified product-related documents and instructions.

Technical information

Marstek B2500-D 2240 Wh Balcony Power Plant Storage

Marstek B2500-D 2240 Wh Balcony Power Plant Storage

input power
500W x 2 Max
Input current
13.5A*2 Max
PV/charging input
AC-coupled
capacity
2240 Wh
Storage capacity
2240 Wh
Lifespan / Technology
LiFePO4
connectivity
Bluetooth 5.2 + WiFi 2.4G
Protection class
IP65K
1. Adjust DOD
50% recommended, 30% in extreme frost.
3. Additional batteries
Fully charge, switch off, store offline.
2. Extended period of inactivity
Reactivate only when the battery level reaches 90%.
Dimensions
296 x 175 x 350 mm
Dimensions (WxHxD)
175 x 350 x 296 mm
Discharge temperature
-10℃ to 40℃
Weight
20 kg
charging temperature
-10℃ to 55℃
37.000+ installed balcony power plants
Since 2022 Experience with solar solutions
30 years Warranty on solar panels
11.000 kWh in battery storage systems

Experience that creates trust

Why Mini Power

Mini Power helps you choose balcony power plants, storage systems, solar panels, and suitable accessories. Product information, scope of delivery, and compatibility are clearly presented so you can select a system that suits your location and energy needs. If you have any questions, you can contact us directly at info@miniminipower.com.

Start your own energy transition with Mini Power.

Frequently asked questions

question and answer

Answers to key purchasing questions regarding compatibility, performance, installation, and scope of delivery.

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Does this Marstek B2500-D storage come directly from Marstek Energy?

Mini Power is one of Marstek Energy's official distributors in Europe. We guarantee that all our products are genuine Marstek Energy products.

What's in the package if I order?

Included in the delivery are:
1x MARSTEK B2500-D balcony power plant storage
4x 3m MC4 extension cables for the inverter connection
1x warranty card
1x Operating manual B2500-D
1x MC4 removal tool

How does the Marstek B2500-D work in the working modes?

Marstek B2500-D has two modes:
1. Automatic mode: Adjusts the grid power output in real time based on the smart meter data in the home network.
2. Manual mode: Delivers a fixed amount of power within the specified time frame; without a specification, no power is delivered.
When the battery is full, the device feeds excess PV energy into the grid.

How to update the firmware of the Marstek B2500-D?

In the app, under "Settings" → "Devices", check for the latest firmware and follow the update process. If no update is displayed, contact support via "User Feedback" in the app.

How do Marstek B2500-D energy storage batteries work optimally in winter?

1. Adjust DOD: 50% recommended, 30% in extreme frost.
2. Longer break in use: Only reactivate when the charge level is 90%.
3. Additional batteries: Fully charge, switch off, store offline.
4. Avoid high discharge to prevent deep discharge.
5. Check PV modules, remove snow for optimal performance.

Does a Wi-Fi interruption cause data loss on the Marstek B2500-D?

No. The Marstek B2500-D stores data locally and uploads it automatically after the connection is restored. If data is missing, check your network connection.

How to choose the solar panel configuration for the Marstek B2500?

When selecting the solar module configuration, the nominal voltage of 59V and the nominal current of 13,5A of the Marstek B2500 should be taken into account:
1. Series configuration: Connect the positive and negative terminals of multiple solar modules. The voltage adds up while the current remains constant. Ensure that the total system voltage does not exceed the nominal voltage of 59V.
2. Parallel configuration: Connect the positive and negative terminals of the solar modules. The current adds up while the voltage remains constant. Make sure the total current does not exceed the rated current of 13,5A.

What warranty does the Marstek B2500-D offer and how reliable is it?

The Marstek B2500-D comes with a 10-year battery warranty, underscoring its high reliability. The LiFePO4 battery technology ensures a long lifespan and high safety.

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