STE-BS 5~20kWh
Sunways Stackable Lithium Battery
The Sunways STE-BS5–20kWh is a stackable high voltage lithium battery for residential and commercial energy storage applications. Designed to work with Sunways hybrid inverters, it provides a scalable battery solution for PV storage, backup power and energy self-consumption systems.
Key Features
Flexible Capacity Expansion
Stackable design with 5.12–20.48kWh usable energy, allowing users to expand storage capacity according to project needs.
Long Service Life
LiFePO₄ battery technology with 6,000 cycles @ 90% DOD ensures stable performance and long-term reliability.
Fast Installation & Smart O&M
Modular stack installation saves time and cost, while remote diagnosis, remote upgrade and CAN/RJ45 communication simplify daily maintenance.
Key Parameters
| Item | STE-BS5–20kWh |
|---|---|
| Battery Usable Energy | 5.12–20.48kWh |
| Battery Capacity | 50Ah |
| Nominal Voltage | 102.4–409.6V |
| Max. Charge/Discharge Current | 50A |
| Recommended Continuous Charge/Discharge Current | 25A |
| Protection Degree | IP54 |
| Cycle Life | 6,000 cycles @ 90% DOD |
| Operating Temperature | 0–50℃ |
| Installation Method | Stackable |
| Number of Modules | 2–8 |
| Communication | CAN / RJ45 |
