256V 300Ah Home Energy Storage Cabinet 76.8kWh
The 256V 300Ah home energy storage cabinet is a high-voltage battery system designed for residential and project-based energy storage applications. With 76.8kWh rated energy, CAN2.0 / RS485 communication, a 4.3 inch touch screen, and a scalable stacked structure, it is suitable for solar energy storage, backup power, peak shaving, and B2B project deployment.
256V 300Ah home energy storage cabinet is a high-voltage energy storage solution designed for residential solar storage, backup power, peak shaving, and project-based electricity applications. With a rated energy of 76.8kWh, stacked modular structure, integrated battery management system, and CAN2.0 / RS485 communication, this system is suitable for B2B buyers including distributors, installers, EPC contractors, and energy storage project integrators.
This high-voltage cabinet is built with a chassis, five battery modules, and one high-voltage box to form a complete energy storage cluster. The system is designed for stable operation, flexible installation, and scalable deployment in homes, communities, hospitals, government facilities, and other locations that require reliable backup power and efficient energy management.
256V 300Ah Home Energy Storage Cabinet for High Voltage ESS Applications
The system provides 256V nominal voltage and 300Ah nominal capacity, delivering 76.8kWh of rated energy. With a maximum depth of discharge of up to 90% and usable energy up to 71.5kWh, it is suitable for customers who need high-capacity energy storage for daily solar self-consumption, emergency backup, and power optimization.
76.8kWh High-Capacity Energy Storage
This 256V 300Ah home energy storage cabinet provides strong energy storage capability for residential villas, community backup systems, hospital backup power, temporary power supply, and energy management projects. The large-capacity design helps improve solar energy utilization and reduce dependency on grid electricity during peak periods.
Stacked Modular Structure
The cabinet adopts a stacked structure consisting of five battery modules and one top high-voltage box mounted on a bottom chassis. This design helps maintain a compact footprint while supporting organized internal configuration and convenient project installation.
CAN2.0 and RS485 Communication
The system supports CAN2.0 and RS485 communication for external communication with PCS, system debugging, and cluster-level communication. This helps ensure compatibility with energy storage control systems and supports B2B project-level integration.
4.3 Inch Touch Screen Control
A 4.3 inch touch screen is integrated into the system for operation and status monitoring. This helps users and engineers check system data more conveniently during installation, operation, and maintenance.
Safe and Stable Operation
The built-in BMS system provides complete protection including over-charge protection, over-discharge protection, over-current protection, over-temperature protection, low-temperature protection, and multi-level alarm mechanisms. These features help improve long-term safety and operational stability for high-voltage energy storage projects.
Natural Cooling and Flexible Deployment
The cabinet uses natural cooling and is suitable for indoor applications where stable operation and installation space are important. It can be widely used in household energy storage, community systems, healthcare backup, government projects, and other scenarios with high requirements for installation space and power continuity.
Project Scalability
For larger capacity demand, the system supports multi-cluster parallel deployment, making it suitable for expandable energy storage projects. This is especially useful for B2B clients who need customized capacity planning for residential, public service, or temporary power systems.
Technical Specifications
| Product Name | Home Energy Storage Cabinet |
| Nominal Voltage | 256V |
| Nominal Capacity | 300Ah |
| Nominal Energy | 76.8kWh |
| Max Depth of Discharge | ≤90% |
| Usable Energy | ≤71.5kWh |
| Max Continuous Charge Current | ≤100A |
| Charge Cut-off Voltage | 292V |
| Max Continuous Discharge Current | ≤100A |
| Discharge Cut-off Voltage | 216V |
| Charging Temperature | 0℃ to 45℃ |
| Discharging Temperature | -20℃ to 60℃ |
| Best Working Temperature | 25℃ to 35℃ |
| Cooling Method | Natural Cooling |
| Communication | CAN2.0 / RS485 |
| Display | 4.3 inch Touch Screen |
| System Size | 690 × 500 × 1672 mm |
| Battery Box Size | 690 × 500 × 275 mm |
| High Voltage Box Size | 690 × 500 × 256.5 mm |
| Weight | 630 kg |
| Structure | 1 chassis + 5 battery modules + 1 high-voltage box |
Applications
- Residential solar energy storage systems
- Villa backup power systems
- Community energy storage projects
- Hospital backup power systems
- Government facility energy storage
- Peak shaving applications
- Temporary power supply systems
- B2B EPC and system integration projects
Why Choose This 256V 300Ah Home Energy Storage Cabinet?
- 76.8kWh high-capacity storage for residential and project use
- High-voltage battery system for efficient energy management
- Stacked modular structure for organized configuration
- CAN2.0 / RS485 communication for system integration
- 4.3 inch touch screen for convenient monitoring
- BMS protection for safety and stable operation
- Natural cooling design
- Suitable for backup power, peak shaving, and temporary power supply
- Supports B2B customization and project cooperation
B2B Supply and Project Support
This 256V 300Ah home energy storage cabinet is suitable for overseas distributors, solar installers, engineering contractors, and project buyers. OEM / ODM support, technical communication, bulk order supply, project matching, and stable production support can be provided according to customer requirements.
You can also explore more related high voltage energy storage systems for different commercial and residential energy storage projects. For general electrical and battery standard reference, you may also visit the IEC official website.
FAQ
What is the rated energy of this system?
The system provides 76.8kWh rated energy with 256V nominal voltage and 300Ah nominal capacity.
Is this product suitable for home energy storage?
Yes. It is suitable for home backup, villa solar storage, and other residential energy storage applications.
Does it support communication with external systems?
Yes. It supports CAN2.0 and RS485 communication for system integration and project deployment.
Can this system be used in project applications?
Yes. It is suitable for communities, hospitals, government facilities, temporary power systems, and other project-based energy storage applications.
Is OEM or project customization available?
Yes. OEM / ODM support, technical communication, project matching, and bulk supply can be provided for B2B customers.
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