Marstek B2500-D Balcony Solar Battery System

Code: MARSTEK-B2500-D
€0 €0 incl. VAT
On request

The B2500-D is a compact, plug-and-play balcony battery system designed for effortless energy storage and use. With a capacity of 2.24 kWh, it offers a practical solution for maximizing solar energy usage in residential settings—especially ideal for apartments or small homes.

Engineered for easy installation with no complex setup required, the B2500-D seamlessly integrates into your balcony solar system. It stores excess daytime solar power, allowing you to efficiently power your home during the evening or in low-sunlight conditions.

Whether you're looking to reduce your electricity bill or increase your energy independence, the B2500-D delivers a reliable and user-friendly storage solution tailored to modern living.

Detailed information

Fair price
Fair price
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Fast delivery
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Expert turnkey installation
We provide end-to-end services with a quality guarantee.

Product detailed description

Key Features:

  • Plug & Play, Installation in 15 Minutes

Say goodbye to complex setups and costly electrician visits. The B2500-D is built with a user-first design philosophy, allowing effortless installation in just 15 minutes—no tools, no wiring expertise required. By eliminating unnecessary complications and focusing on core functionality, this system delivers a seamless, plug-and-play experience that fits perfectly into modern lifestyles.

  • Flexible Expansion of Capacity and PV Input

Designed for flexible scalability—multiple units can be connected to expand both energy storage capacity and PV input. For instance, when paired with a dual-MPPT 800W on-grid microinverter, you can link up to four B2500-D units, reaching a total of 8.96 kWh storage and 4800W PV input. This modular design provides robust performance from day one, while allowing your system to grow with your energy needs over time.

  • Max. 1600W PV Input & 800W Output

Equipped with advanced dual MPPT technology, the system supports a powerful 1600W PV input and delivers up to 800W DC output, ensuring efficient and reliable energy management. This design reflects our commitment to providing high-performance power solutions—without the complexity.

  • Intelligent power distribution by smart meter

The Marstek Smart Meter continuously monitors your household’s total energy consumption and transmits real-time data to the B2500. Leveraging this information, the B2500 performs intelligent analysis to optimize energy distribution, determining the precise amount of power to feed into the grid. This results in smarter energy management, reduced waste, and enhanced overall system efficiency.

  • Smart App Control & Monitor

Step into the future of energy management with our intuitive smart app. Providing real-time monitoring, it keeps you fully informed about your energy consumption and production patterns. Beyond tracking, the app intelligently calculates your energy savings, giving you clear insights into your environmental and financial benefits. It’s more than energy use—it’s about understanding, optimizing, and maximizing efficiency for a sustainable future.

  • IP65 Waterproof & 10 Years Warranty

Life is unpredictable, but your energy supply shouldn’t be. Featuring IP65 water resistance and built with durable, fire-resistant materials, our system acts as a reliable guardian on your balcony. Rain or shine, extreme heat or cold, it stands strong—delivering consistent power and protection no matter the conditions.

Additional parameters

Category: Batteries for photovoltaics
Weight: 20 kg
Brand: Marstek
Lenght: 295 mm
Width: 175 mm
Height: 350 mm
Degree of protection (IP): IP65
Communication: Wi-Fi
Number of MPPT: 2
Maximum output current: 15 A
Operating voltage: 16 - 40 V
Battery type: Low voltage
Usable energy: 2.24 kWh
Discharge power: 800 W
Max. battery charge current: 27 A

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Founded in 2020, MARSTEK is dedicated to making clean energy accessible and affordable for every household. Combining innovation with a bold vision, MARSTEK developed its own lithium iron phosphate laminated cells and introduced the world’s first household micro-solar battery storage system—pioneering advancements in residential energy solutions.

The name MARSTEK blends "Mars" and "Technology," symbolizing the company’s commitment to exploration, innovation, and pushing the boundaries of what’s possible.