STE-OS 5~20kWh
LiFePO₄ Battery
The Sunways STE-OS5–20kWh is a low voltage LiFePO₄ battery designed for residential solar energy storage applications. With a floor-mounted stackable design, it provides a flexible battery solution for home PV storage, backup power and self-consumption systems.
Key Features
Safe & High-Performance Battery
LiFePO₄ battery chemistry supports long lifespan, high efficiency and high-power density for reliable daily energy use.
Smart Battery Management
Intelligent BMS, IoT support, remote monitoring and upgrade help improve battery pack operation and maintenance efficiency.
Easy Expansion & Installation
Battery module auto-networking, automatic IP addressing and floor-mounted stack design make installation and capacity expansion easier.
Stable System Operation
Supports high discharge power and module-level auto-balancing, helping maintain stable performance across the battery system.
Key Parameters
| Item | STE-OS5–20kWh |
|---|---|
| Total Energy | 5.12–20.48kWh |
| Battery Module | 51.2V 5.12kWh |
| Cell Type | LFP (LiFePO₄) |
| Max. Charge/Discharge Current | 100–120A |
| Continuous Discharge Output | 5–6kW |
| Protection Rating | IP65 Outdoor |
| Cycle Life | 6,000 cycles @ 90% DOD |
| Installation | Floor-mounted, Stackable |
| Communication | CAN |
