BRIDNA SGR-B240 2400Wh Expansion Battery Module for Balcony Energy Storage
Peak Output Current(1 Second):10.43A
Norminal Output Frenquency:230V/50Hz±2%
Disruption Time of Backup Switch:≤10MS
Wireless parallel connection for a scalable home energy system
Flexible multi-unit setup
AC-coupled solar compatibility
Peak-valley energy optimization
Plug & play installation
Al-based energy management
Phase Detection







| AC Output (On-Grid) | |
| Nominal Output Power | 0.8kW |
| Nominal Output Current | 3.48A |
| Max. Output Power | 2.4kW |
| Max. Output Current | 10.43A |
| AC Coupling | |
| AC coupling | Supported |
| AC Output (Off-Grid) | |
| Nominal Output Power | 2.4kW |
| Peak Output Current (1 Second) | 10.43A |
| Norminal Output Voltage | 230V |
| Norminal Output Frenquency | 50Hz±5% |
| Total Voltage Harmonic Distortion | THDv<3% |
| Disruption Time of Backup Switch | ≤10MS |
| Battery Data | |
| Main Unit Capacity | Battery-free Host 1. Facilitates express shipping and reduces freight costs 2. Enables easier upstairs carrying/manual handling 3. Supports modular host replacement for convenient after-sales maintenance |
| Battery Module Capacity | 2400Wh |
| Number of Modules per Main Unit | 1~5pcs |
| Nominal Voltage of Battery Module | DC48V |
| Open Ecosystem Intergration Support | |
| Matching Ecological Products | 1. Smart meters & smart plugs (Response time <1s, power consumption <3W) 2. Power controllers (for water heaters/heaters), infrared meter reading heads |
| Third-party Ecological Prducts | Shelly smart meter, Shelly smart plug, Shelly relay, Tibber Pulse infrared meter, Tibber dynamic electricity price direct acquisition, EverHome smart meter, HomeWizard P1 Meter, Home Assistant (soon available) |
| Dynamic Electricity Prices | 1. Access Tibber's dynamic electricity pricing 2. Access wholesale market electricity pricing from exchanges: Nord Pool, EPEX SPOT, OMIE |
| General Data | |
| Dimensions | Main Unit: 450×278×152mm Extra Battery: 450×278×180mm |
| Weight | Main Unit: 12kg Extra Battery: 24kg |




1. Who is the balcony energy storage system suitable for?
The balcony energy storage system is ideal for apartments, rental properties, small homes, and households with existing balcony solar panels. With no complicated wiring required, the plug-and-play design makes it easy to maximize the use of balconies, terraces, and other limited spaces while helping reduce electricity costs for daily home appliances.
In addition, the system also supports off-grid applications and can serve as a reliable home backup power source during outages. Its portable design also makes it suitable for outdoor use, such as camping, RV trips, and other outdoor activities, providing flexible power support across multiple high-frequency usage scenarios.
2. How does the balcony energy storage system help reduce electricity bills?
The system stores excess solar energy generated during the day and releases it at night or during peak electricity pricing periods. This greatly improves self-consumption efficiency and can significantly reduce reliance on grid electricity, leading to long-term savings on energy bills.
3. Is the installation process complicated?
No installation is required. This product features a plug-and-play design, allowing users to start using it immediately without the need for professional installers or construction work.
4. Is the balcony energy storage system safe? How long is its lifespan?
The product uses LiFePO4 (Lithium Iron Phosphate) batteries, offering high safety performance, resistance to extreme temperatures. High-quality batteries can achieve over 6,000 charge cycles and provide stable performance for more than 10 years.
5. Do you support customized production services?
Yes. As a direct manufacturer, we provide OEM and private-label production services for global brands and partners. If you have customization requirements, please contact our customer service team for more detailed information.