The biggest difference is system voltage architecture
Dyness PowerBrick is a 14.336kWh low-voltage LFP battery. Sungrow SBH100 is a 10.0kWh high-voltage LFP stack built from two 5kWh modules with a documented 118.8–160.6V operating window. They should not be treated as interchangeable capacity options.
Dyness PowerBrick vs Sungrow SBH100 at a glance
| Specification | Dyness PowerBrick | Sungrow SBH100 |
|---|---|---|
| Usable comparison point | 14.336kWh low-voltage LFP battery | 10.0kWh high-voltage LFP stack |
| System architecture | Low voltage | High voltage |
| Expansion approach | Up to 50 units in parallel, according to Dyness | Modular high-voltage stack |
| Documented voltage | Low-voltage architecture | 118.8–160.6V operating window; 140.8V nominal |
| Continuous charge/discharge current | Depends on the supported low-voltage system design | 50A |
| Environmental rating cited in the current records | IP20 | IP55 |
PowerBrick emphasizes low-voltage parallel expansion
Dyness states that PowerBrick can scale to 50 units in parallel, up to 716.8kWh. That can suit systems built around supported low-voltage inverters, but higher DC current makes cable, busbar and overcurrent-protection design especially important. The practical advantage is not simply “more capacity”: the battery must still be matched to an inverter and electrical design that supports the intended current and number of parallel units.
SBH100 is designed around Sungrow high-voltage hybrid families
The source-reviewed Sungrow SBH100 has a 140.8V nominal voltage and 50A continuous charge/discharge current. Compatibility is tied to supported Sungrow hybrid-inverter families and the exact regional system configuration. That makes inverter compatibility a first-step check rather than something to confirm after choosing the battery.
Environmental ratings differ
The current PowerBrick technical table states IP20, while the verified SBH100 record states IP55. That difference changes siting options but does not replace the installation manual: ventilation, temperature, clearances and local electrical requirements still apply.
Which one fits which type of system?
- Consider the PowerBrick architecture when the planned system is built around a supported low-voltage inverter and parallel battery expansion is part of the design.
- Consider the SBH100 architecture when the project uses a compatible Sungrow high-voltage hybrid platform and the documented stack configuration fits the required capacity.
- Do not choose on kWh alone. Voltage architecture, inverter compatibility, current, siting and expansion requirements can rule out an otherwise attractive battery.
Checks to make before buying either battery
- Confirm the exact inverter model and supported battery list.
- Confirm the required usable storage capacity and backup loads.
- Check the battery voltage architecture against the inverter design.
- Review installation environment, IP rating, ventilation and clearance requirements.
- For low-voltage systems, verify cable, busbar and overcurrent-protection requirements for the expected DC current.
- Confirm the exact regional manuals and system configuration before installation.
Choose the architecture before comparing price
Start with the inverter family, backup requirements, target power, installation environment and expansion plan. Then compare the batteries that are explicitly compatible with that design. See the PowerBrick profile and the low-voltage current guide for the associated design checks.
Quick questions
Is the Dyness PowerBrick directly interchangeable with the Sungrow SBH100?
No. The current records describe different voltage architectures and different system-integration approaches, so compatibility has to be checked against the inverter and complete system design.
Which battery has the larger single listed capacity?
The current PowerBrick record lists 14.336kWh, while the SBH100 comparison point is 10.0kWh. Capacity alone is not enough to determine system suitability.
Does the higher IP rating automatically make the SBH100 the better battery?
No. The rating affects environmental protection and siting considerations, but system voltage, inverter compatibility, backup requirements and installation design remain separate decisions.