1. Introduction
The DYNESS Powerbox G2 is a deep cycle, high-capacity Lithium Iron Phosphate (LFP) battery designed for household energy storage. It features improved safety, a long lifespan, and optimized user experience. With an IP65 rating, it is suitable for both indoor and outdoor wall-mounted or floor-standing installations. A single unit provides up to 10 kWh of energy, and up to 12 units can be connected in parallel for superior performance, meeting diverse household electricity demands.
Figure 1: DYNESS Powerbox G2 designed for various environmental conditions.
Video 1: Overview of DYNESS Powerbox G2 features and applications.
2. Safety Precautions
Always adhere to local electrical codes and safety regulations during installation and operation. Only qualified personnel should perform installation and maintenance. Ensure proper grounding and ventilation. Do not attempt to open or repair the battery unit yourself.
- Keep away from flammable materials.
- Ensure proper ventilation around the unit.
- Do not expose to extreme temperatures outside the specified operating range.
- In case of fire, the built-in fire suppression system will react within 5 seconds and automatically relieve pressure.
Figure 2: Internal view illustrating the fire suppression system reacting within 5 seconds.
3. Installation and Setup
3.1 Unpacking
Carefully unpack the Powerbox G2. Verify that all components are present and undamaged. The package typically includes the battery unit, connection cables, and mounting accessories.
Figure 3: Example of package contents for the Powerbox G2.
3.2 Mounting Options
The Powerbox G2 supports both wall-mounted and floor-standing installations. Choose the appropriate method based on your space and requirements.
- Wall-mounted: Securely attach the unit to a sturdy wall using the provided mounting hardware.
- Floor-standing: Place the unit on a stable, level surface.
Figure 4: Flexible installation options: wall-mounted (left) and floor-standing (right).
3.3 Electrical Connections
Refer to the detailed wiring diagrams in the full product manual for specific electrical connections. Key connection points include:
- Negative Power Port
- Positive Power Port
- Breaker
- CAN In / CAN Out (for parallel connections)
- Power Switch
- Wi-Fi module (for smart app management)
Figure 5: Powerbox G2 dimensions and port layout.
3.4 Parallel Expansion
The Powerbox G2 can be expanded by connecting up to 12 units in parallel, achieving a total capacity of 10.24 kWh to 409.6 kWh. It is compatible with Powerbox Pro and Power Depot H5B models. An LV Link B unit (IP65, 3 communication connectors) can access up to 3 units for expanded systems.
Figure 6: Example of a flexible expansion setup with multiple Powerbox G2 units and an LV Link B.
3.5 Installation Examples
The Powerbox G2 can be integrated into various home energy systems, often paired with inverters from brands like Deye Growatt, GoodWe, and Luxpower.
Figure 7: Various Powerbox G2 installation examples.
4. Operation
4.1 Smart App Management
The Powerbox G2 features smart app management for real-time system monitoring, smart control, and OTA (Over-The-Air) upgrades. There are two main app interfaces:
- Inverter App: Communicates via the inverter, reading data from the storage BMS. Provides Battery System Real-time Running Data, Operation Status, and Historical Data.
- Battery App: Direct network connection with the Dyness WiFi antenna. Provides Battery System Real-time Running Data, Operation Status, Historical Data, Battery Cell Voltage and balance, Battery Cell Temperature, Battery System Recycling Status, Remote Firmware Updating, and a one-click OTA function.
Figure 8: Smart App management interfaces for Inverter and Battery data.
4.2 Charging and Discharging
The battery supports a 1C-Rate, allowing for rapid charging and discharging. It is designed for 95% Depth of Discharge (DOD) for unlimited cycles, maximizing usable energy and cost savings over its lifespan.
Figure 9: Cost saving benefits with 95% DOD and unlimited cycles.
4.3 Automatic Self-Heating (Optional)
For cold environments, an optional automatic self-heating function ensures the battery charges properly at temperatures as low as -20°C. This feature adapts to ambient temperatures from -20°C to +55°C, with four heating pads ensuring even heating of each cell.
Figure 10: Automatic self-heating mechanism for optimal performance in cold climates.
5. Maintenance
The Powerbox G2 is designed for minimal maintenance. Regular checks should include:
- Visually inspect the unit for any physical damage or loose connections.
- Ensure the area around the battery is clean and free from obstructions to maintain proper ventilation.
- Monitor battery performance and status through the smart app.
- Keep the Wi-Fi antenna clear for optimal app connectivity.
For detailed maintenance procedures, refer to the comprehensive manual provided by DYNESS.
6. Troubleshooting
The integrated Smart BMS (Battery Management System) provides millisecond-level status monitoring and real-time battery management and optimization, offering multiple layers of protection:
- Over charge/discharge protection
- Over current protection
- Over voltage protection
- Over temperature protection
- Short-circuit protection
If the system experiences an issue, the BMS will trigger protective measures. Check the app for error codes or status indicators. For persistent issues, contact customer support.
Figure 11: Smart BMS features for real-time monitoring and protection.
7. Technical Specifications
The Powerbox G2 is designed with high space utilization, featuring 30% less volume and 15% less weight compared to previous models, while maintaining an aesthetically pleasing design.
Figure 12: High space utilization and aesthetic design of Powerbox G2.
| Feature | Specification |
|---|---|
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Model | Powerbox G2 |
| Nominal Battery Energy | 10.24 kWh |
| Usable Energy | 9.728 kWh |
| Operating Voltage | 46.8-57.6 V |
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 200 Ah |
| Nominal Charge or Discharge Power | 5.12 kW |
| Max Discharge Power | 10.24 kW |
| Recommended Charge & Discharge C Rate | 0.5 C |
| Max Discharge C Rate | 1 C |
| Recommended Charge/Discharge Current | 100 A |
| Max Discharge Current | 200 A |
| Recommended Depth of Discharge (DOD) | 95% |
| Net Weight | 98 kg (without glass front panel), 95 kg (with glass front panel) |
| Dimensions (L*W*H) | 710*165*640 mm |
| Charging Temp. Range | 0 ~ 55°C |
| Discharging Temp. Range | -20 ~ 55°C (with heating function) |
| Communication | CAN/RS485 |
| Cycle Life | Unlimited cycles / 10 Years |
| Protection Level | IP65 |
| Expansion | Up to 12 units in parallel |
| Color | White |
| Wi-Fi Module | Built-in Wi-Fi module, APP OTA function |
| Battery low temperature heating function | Optional |
| Active fire protection system | Built-in aerosol fire extinguisher |
| Certification & Safety Standard | UN38.3, IEC62619, IEC62040, CEC, CE RED |
| Compatible Inverters | SMA, Victron Energy, Deye, GoodWe, Solis, Growatt, Voltronic, Sungrow, etc. |
Note: Specifications are subject to change without prior notice. Always refer to the latest product documentation.
8. User Tips
- For optimal performance and longevity, ensure the battery operates within its recommended temperature range. Utilize the optional self-heating feature in colder climates.
- Regularly check the smart app for system status and updates to ensure your Powerbox G2 is running efficiently and securely.
- When expanding your system, ensure compatibility with existing units and follow the parallel connection guidelines carefully.
- The IP65 rating means the unit is protected against dust and water jets, making it suitable for outdoor installation, but avoid submerging it.
Figure 13: IP65 protection ensures durability in various weather conditions.
9. Warranty and Support
9.1 Warranty Information
The DYNESS Powerbox G2 comes with a limited warranty valid for a period of 5 years after delivery. This warranty is restricted by specific product specifications and warranty terms. Please refer to your purchase documentation for full details.9.2 Certifications
The product holds various international certifications, ensuring reliable quality and safety standards. These include:
- UN38.3
- IEC62619
- IEC62040
- CEC
- CE RED
- SGS TÜV Saar
- IEC 62040-1
- IEC 62109-1
- IEC 62109-2
- IEC 62133
- UL
- MSDS
- ISO 9001
For specific certification details related to your product, please contact DYNESS customer support.
9.3 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact DYNESS customer support through the official channels. Ensure you have your product model and serial number ready.
