2500W Balcony Solar System with 2048Wh LiFePO4 battery, up to 4000W PV input, expandable capacity, smart app control, and flexible AC output.
360° SAFETY
Automotive-grade battery management system with sub-100µs fault response — protecting your LiFePO4 home battery, your property, and your family around the clock
PRODUCT DETAILS
Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution
As residential solar adoption continues to grow, homeowners are looking for practical ways to store excess solar energy and use it when electricity demand increases. A balcony solar storage system can help improve solar self-consumption while providing backup power for essential household loads.
This 2500W Balcony Solar Storage System combines a 2048Wh LiFePO4 battery, integrated inverter, BMS, MPPT controllers, and expandable energy storage in one all-in-one system. It supports up to 4000W of PV input through four independent MPPT channels and can be expanded from 2048Wh to 16,384Wh with additional battery units.
Designed for residential solar applications, the system can support on-grid solar self-consumption, off-grid backup, RV and travel energy, and outdoor power requirements. For B2B distributors, installers, and energy solution providers, it offers a flexible product platform for the growing residential energy storage market.
The system starts with 2048Wh of battery capacity, providing a dedicated storage solution for excess solar energy.
During periods of strong solar generation, surplus electricity can be stored instead of being immediately sent back to the grid. The stored energy can then be used when household demand increases, helping improve the utilization of generated solar power.
This makes the system suitable for applications such as:
The LiFePO4 battery supports more than 4000 cycles, providing a long-term solution for regular daily energy storage.
The system is designed to grow with changing household energy requirements.
The base 2048Wh capacity can be expanded by adding up to seven compatible battery units, reaching a total capacity of 16,384Wh.
This scalable architecture allows users to start with a smaller storage configuration and increase capacity when their solar generation or household electricity demand grows.
For B2B partners, expandable storage also provides flexibility for different customer segments, from apartment residents with balcony PV systems to larger households requiring extended backup capacity.
The system supports up to 4000W of PV input, providing substantial solar charging capability for a residential energy storage system.
The high PV input allows compatible solar panels to generate and store more energy during periods of strong sunlight.
This is particularly useful for customers who want to maximize solar self-consumption and reduce the amount of generated electricity that is exported instead of stored.
The system integrates four independent MPPT channels.
Multiple MPPT channels allow different solar panel groups to be managed independently, which can be useful when panels are installed in different orientations or experience different levels of sunlight.
This architecture provides greater flexibility for balcony, rooftop, garden, and other residential solar installations.
The system can therefore adapt to more complex residential solar layouts while maintaining an integrated energy storage design.
For on-grid operation, the system provides up to 800W output for everyday solar self-consumption.
Stored solar energy can be supplied to compatible household loads when electricity demand rises, helping homeowners make better use of their stored energy.
The system is designed to support everyday household energy needs while integrating with a residential solar setup.
When operating in off-grid mode, the system can provide up to 2500W of backup power.
This gives users access to a higher level of power during outages or when operating without grid electricity.
Compatible household appliances and essential devices can be connected to the system to maintain access to electricity during unexpected interruptions.
The system also supports up to 3000W bypass power for higher-load household applications.
This provides additional flexibility when users need to operate compatible appliances that require more power than everyday on-grid operation.
The combination of 800W on-grid output, 2500W off-grid backup, and up to 3000W bypass power allows the system to adapt to different residential energy requirements.
Instead of requiring multiple separate components, the system integrates the key energy storage functions into one platform.
The all-in-one architecture combines:
This reduces system complexity and provides a more streamlined approach to residential energy storage.
For installers and distributors, an integrated configuration can simplify product positioning and make the system easier to explain to customers.
The system is designed around a plug-and-play approach for residential solar applications.
Users can connect compatible solar panels, grid power, and household appliances through the energy storage system.
This makes it suitable for homeowners who want to add battery storage without adopting a complicated energy infrastructure.
The product can also be used to upgrade an existing solar installation by adding energy storage without necessarily replacing the existing microinverter setup.
Solar generation and household electricity consumption do not always happen at the same time.
Solar panels may generate their highest output during the middle of the day, while household electricity demand can increase in the morning and evening.
The energy storage system helps address this mismatch by storing excess solar energy during periods of higher generation.
The stored energy can then be used when household demand increases.
Stored solar energy can be used during evening periods when solar generation has decreased.
This provides a more efficient way to use self-generated electricity and can reduce reliance on grid electricity during higher-demand periods.
For residential customers, this makes energy storage an important part of a complete solar self-consumption strategy.
The system is designed to work with smart energy management functions, allowing users to monitor household energy usage and optimize solar self-consumption.
Smart control can help users better understand when energy is being generated, stored, and consumed.
This is particularly valuable for households that want to make better use of their solar generation throughout the day.
Energy prices can vary according to the time of day in some markets.
Stored solar energy can provide additional flexibility by allowing homeowners to use stored electricity during periods when grid electricity may be more expensive.
This creates opportunities for residential energy storage to provide value beyond simple backup power.
The system is designed for residential solar storage and can be used with balcony solar installations.
It stores excess solar electricity and makes that energy available for later household consumption.
This helps homeowners increase solar self-consumption and reduce wasted solar generation.
During unexpected grid interruptions, the system can provide up to 2500W of off-grid backup power.
This allows compatible essential appliances and household equipment to continue operating when conventional electricity is unavailable.
For homeowners, this provides an additional layer of energy security without requiring a traditional fuel-powered generator.
The system can also provide stored energy for RV and travel applications.
Users can bring stored solar energy on the road and use it for compatible equipment during trips, making it suitable for customers who want a flexible energy solution beyond their home.
Residential outdoor spaces may also require electricity for lighting, entertainment equipment, tools, and other compatible devices.
The stored energy can provide convenient power for garden activities, outdoor gatherings, and other applications where a fixed electrical connection may not be convenient.
The integrated LiFePO4 battery provides a durable foundation for repeated energy storage and discharge cycles.
With more than 4000 cycles, the battery is designed for regular daily use and long-term residential energy storage applications.
The system is designed for balcony and similar outdoor residential environments.
Its dust and water resistance provides additional suitability for long-term deployment in appropriate outdoor locations.
For installers and distributors, this makes the product suitable for residential customers looking for an integrated energy storage system that can be deployed in outdoor home environments.
As a professional energy storage supplier, VoltCrave Power provides energy solutions for distributors, wholesalers, installers, retailers, and project partners.
This 2500W Balcony Solar Storage System combines 2048Wh LiFePO4 energy storage, expandable capacity up to 16,384Wh, 4000W PV input, four MPPT channels, integrated inverter and BMS, 2500W off-grid backup, and up to 3000W bypass power.
These capabilities make it suitable for residential solar storage, balcony PV systems, home backup, RV energy, outdoor applications, and small off-grid energy projects.
The expandable architecture allows customers to increase battery capacity as their electricity requirements change.
The system can begin as a 2048Wh residential energy storage solution and grow toward 16,384Wh through additional battery units.
For B2B partners, this creates a flexible product platform that can serve different residential energy requirements while maintaining an integrated system architecture.
VoltCrave Power focuses on providing practical and scalable energy storage solutions that help global partners expand their residential energy portfolios and meet growing demand for solar self-consumption, backup power, and flexible home energy storage.
| Parameter | Specification |
|---|---|
| Model | EP2500 |
| Battery | LiFePO4, 51.2V (16S), 2048Wh |
| Cycle Life | 6000+ cycles |
| Max Output Power | Off-grid 2500W / On-grid 800W–2500W |
| Nominal Output Voltage | 230V |
| Max Output Current | 10.5A |
| Output Frequency | 50Hz/60Hz |
| Inverter Efficiency | 95% |
| Max PV Input | 4000W |
| PV Operating Voltage | 12–60V |
| Smart App Control | Bluetooth, 2.4GHz WLAN |
| Expandable Battery | Up to 7×2048Wh |
| Protection | Over-voltage, low-voltage, over-frequency, low-frequency, anti-islanding, over-current, overload, over-temperature |
| Start Time | ≤10ms |
| Waterproof Level | IP65 |
| Net Weight | 27.2kg |
| Dimensions | 492×475×287mm |
| Charging Temperature | 0°C–55°C |
| Discharging Temperature | -20°C–58°C |
| Certification | EN50549, VDE4105, CE, RED, REACH, ROHS, UN38.3 |
| Warranty | 10 years |
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MANUFACTURING
End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification
Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.
Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.
We assist distributors with CE, UL 1973, IEC 62619, UN38.3, and RoHS compliance for lithium battery imports. Complete technical documentation, MSDS, and test reports included for customs clearance.
CERTIFICATIONS
All VoltCrave lithium iron phosphate batteries are certified to international safety, transport, and environmental standards — ready for import and distribution worldwide
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