Modular Balcony Energy Storage System is a flexible and space-efficient solution tailored for urban environments where traditional solar installations are limited. It combines compact solar generation with scalable battery storage, allowing users to build a customized energy system directly on their balcony. The modular structure enables easy expansion as energy needs grow, while intelligent control optimizes power usage throughout the day. By storing excess solar energy for later use, it enhances efficiency and reduces reliance on external electricity sources. Modular Balcony Energy Storage System is ideal for apartments, small homes, and modern buildings focused on sustainability and energy independence
| Model NO. | BM2400 |
|---|---|
| Nominal Output Power | 0.8kW |
| Nominal Output Current | 3.48A |
| Max. Output Power | 2.4kW |
| Max. Output Current | 10.43A |
| Nominal Output Voltage | 230V |
| Nominal Grid Frequency | 50Hz±5% |
| AC Input Charging | AC230V 2400W Max |
| Solar Input Charging | No PV |
| Inverter Efficiency | ≥90% |
| MPPT Efficiency | No PV |
| Battery Conversion Efficiency | ≥85% |
| Nominal Output Power | 2.4kW |
| Peak Output Current (1 second) | 10.43A |
| Nominal Output Voltage | 230V |
| Nominal Grid Frequency | 50Hz±2% |
| Total Voltage Harmonic Distortion | THDv < 3% |
| Interruption Time of Backup Switch | ≤10MS |
| Main Unit Capacity | No Battery |
| Battery Module Model | B2400 |
| Battery Module Capacity | 2400Wh |
| Number of Modules per Main Unit | 1~5PCS |
| Nominal Voltage of Battery Module | DC48V |
| Protection | Overvoltage/Undervoltage/Overcurrent/Overload/Short-Circuit/Overheating Protection; Insulation Monitoring; Residual Current Monitoring; Anti-islanding Protection; Type II DC/AC Surge Protection |
| Open Ecosystem Integration Support | Smart Meter, Smart Plug, Infrared Meter, Heat-pump Power Controller |
| Safety Protection Feature | Tibber Pulse infrared meter, Tibber dynamic electricity price direct acquisition, EverHome smart meter, HomeWizard P1 Meter |
| General Data | same as BM1600 PRO |
If you would like to explore the full capabilities of our Modular Balcony Energy Storage System, learn how it enhances energy efficiency in compact urban settings, or discuss a customized solution tailored to your apartment or project needs, please feel free to contact our team for detailed information and professional support.
The modular balcony energy storage system is designed for users who require flexible and scalable energy storage without committing to a fixed-capacity solution, making it particularly suitable for apartment residents, renters, and households with evolving electricity consumption patterns. Unlike traditional fixed battery systems that require full replacement when capacity is insufficient, this system adopts a modular expansion architecture based on DC48V lithium battery modules, where each unit provides 2400Wh of energy capacity and can be expanded from one to five modules depending on user requirements, allowing gradual investment and long-term adaptability.

The system integrates a high-performance hybrid inverter platform with 0.8kW nominal output and up to 2.4kW peak backup capability, ensuring sufficient power support for essential household appliances during both normal operation and emergency scenarios. The DC48V battery architecture improves system stability, reduces current loss during transmission, and enhances overall energy conversion efficiency, while the internal battery management system ensures precise voltage balancing and long-term cycle durability.
The enclosure design combines industrial-grade structural materials with IP-rated protection, allowing safe operation in balcony environments where exposure to dust, humidity, and temperature variation is common, while the natural cooling system eliminates mechanical noise and improves reliability over long-term use.

The system is deeply integrated with smart energy ecosystems, including Tibber Pulse, HomeWizard P1, and other smart metering solutions, allowing users to monitor real-time electricity consumption, dynamically respond to pricing changes, and optimize battery charging and discharging strategies without manual intervention.
This system is ideal for users who want a future-proof energy storage solution that can grow over time, including apartment residents, small households, and users transitioning toward smarter and more flexible energy management systems.
The modular balcony energy storage system is a compact and scalable energy solution designed to provide reliable power storage and backup functionality without requiring solar panel integration, making it suitable for users who prioritize energy flexibility and backup reliability over solar generation.

The system consists of a hybrid inverter unit rated at 0.8kW nominal output and 2.4kW maximum output, combined with lithium battery modules rated at 2400Wh each, operating on a DC48V platform that ensures stable energy delivery and efficient system performance. Users can install between one and five battery modules, allowing total storage capacity to be adjusted according to household needs without replacing the core unit.
Unlike solar-dependent systems, this solution relies on AC grid charging with a maximum input power of 2400W, enabling users to store electricity during off-peak periods or low-cost tariff windows and use it when demand or pricing increases, effectively improving energy cost efficiency and reducing grid dependency during peak hours.

The system provides stable 230V AC output with harmonic distortion below 3 percent, ensuring compatibility with sensitive household electronics, while its fast backup switching capability of 10 milliseconds ensures uninterrupted power supply during grid outages, supporting devices such as routers, lighting systems, and essential appliances.
Supports multi-module configuration on a DC48V platform, allowing users to scale capacity according to energy demand.
Delivers pure sine wave output to ensure safe and reliable operation of sensitive household and commercial devices.
Maintains THDv below 3%, improving overall electrical quality and reducing interference in connected equipment.
Automatically adjusts output performance based on real-time consumption changes for improved efficiency.
Works with intelligent meters and tracking systems to provide real-time energy usage insights.
Engineered to operate reliably under extreme temperature conditions, ensuring stable performance in diverse climates.
The Modular Power Storage Platform is widely applied in urban residential apartments, compact living spaces, and balcony-based energy systems where flexible and scalable power solutions are required. It is suitable for households seeking to reduce electricity costs through efficient energy storage and backup power during outages. The system is also used in small offices, retail spaces, and smart building projects that require stable and reliable power support. With its modular design and high adaptability, it fits various installation environments, making it an effective solution for decentralized energy management and modern urban power applications.
Ideal for urban apartment residents, the system enables clean energy generation directly from balconies without requiring rooftop access, helping reduce monthly electricity costs.
Designed specifically for limited spaces, it fits easily on balcony railings or walls, making it a practical solution for dense city environments.
Suitable for small shops, offices, and studios, it provides stable supplementary power to reduce reliance on the grid and improve energy efficiency.
In the event of power outages, the system ensures continuous electricity for essential loads, improving reliability and operational continuity.
Widely used in eco-friendly housing and green building initiatives, it supports carbon reduction goals and promotes decentralized renewable energy adoption.
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Pete Whittle
1 Review
UK
We've installed Alpha systems for years with no failures. Easy setup and excellent technical support make Alpha our first choice.
Bart
1 Review
NL
A very professional and friendly installer. Everything was clearly explained, and the battery works flawlessly. The smooth Jabba integration gives me clear insight and confidence in my energy savings.
Francesco
1 Review
IT
Great satisfaction with my first use of voltalinkbattery inverters. I used voltalinkbattery hybrid inverters with their storage system for the first time and was pleasantly surprised by how easy it was to set them up and activate the monitoring.
Powerhive
1 Review
AFR
voltalinkbattery systems perform reliably in tough African conditions, and their responsive, committed team has been a true long-term partner.
Philip O'Neill
1 Review
UK
The system works exceptionally well and has already delivered meaningful savings. The entire installation process was smooth and professional.
Marina Van den Eynde
1 Review
NL
The battery works very well. The app is also easy to use and very clear. You can immediately see how much battery percentage is left, how many watts your solar panels are generating, and how much you are taking from the grid. I am very satisfied with it.