The ONESUN Stand All-in-one Energy Storage System SSH series—available in 3.5kW (25.6V 200Ah), 6.2kW (51.2V 200Ah), and 11kW (51.2V 314Ah)—is engineered to meet these demands with precision, reliability, and forward-thinking design. More than just an energy system, it represents a new generation of “rent-to-own solar solutions” that transform energy consumption into long-term asset value.

PV oversizing for enhanced efficiency, maximizing returns

Smart PV-grid complementarity, zero PV waste

Seamless on/off-grid switching for high power reliability

Dual battery modes for profit, transforming assets into income

Transparent power usage management, meticulous calculation of every kWh

Industrial-grade reliability, worry-free in harsh environments

UPS Function: Transfer 20ms or10ms Optional.

Multiple Working Mode: Photovoltaic/ Battery/AC Priority.

At the core of the SSH series is its multifunctional, industrial-grade integrated inverter architecture. Unlike conventional systems that require multiple components and complex installation, the SSH series combines inverter, battery, and intelligent energy management into one compact unit. This not only reduces installation time and cost but also enhances system stability—making it ideal for residential, commercial, and light industrial applications, especially in regions with unstable grids or harsh environmental conditions.

One of the standout advantages of the SSH system is its PV oversizing capability. By allowing higher photovoltaic input than traditional systems, it maximizes solar harvesting even during low-light conditions such as early mornings, late afternoons, or cloudy days. This ensures users extract the highest possible return on their solar investment. Combined with ONESUN’s smart PV-grid complementary technology, the system guarantees zero solar energy waste—automatically balancing between solar generation, battery storage, and grid usage.

Reliability is a critical factor in energy systems, and the SSH series excels with seamless on-grid and off-grid switching. With a transfer time as low as 10ms or 20ms, the built-in UPS function ensures uninterrupted power supply for sensitive equipment such as medical devices, communication systems, and industrial machinery. Whether facing grid outages or voltage instability, users can rely on continuous, stable power without disruption.

Another innovative feature is the dual battery operation mode, designed not just for energy storage but also for revenue generation. This enables users to strategically store electricity during low-cost periods and utilize or sell it during peak pricing times. In markets that support energy trading or net metering, this transforms the system from a cost center into a profit-generating asset—perfectly aligning with the “rent-to-own” solar business model.

Energy transparency is also a key highlight. The SSH system offers intelligent monitoring and precise energy tracking, allowing users to analyze every kilowatt-hour consumed, stored, or exported. This level of detail empowers users to optimize their energy habits, reduce waste, and make data-driven decisions that lower overall electricity costs.

Designed with industrial-grade durability, the SSH series operates reliably even in challenging environments such as high temperatures, dusty regions, or areas with fluctuating grid conditions. This makes it particularly suitable for emerging markets in Africa, Southeast Asia, and Latin America, where energy infrastructure may be less stable but demand for reliable power is rapidly growing.

Additionally, the system supports multiple working modes—including photovoltaic priority, battery priority, and AC priority—giving users full flexibility to adapt the system based on their specific energy needs and local electricity tariffs. Whether the goal is maximum self-consumption, backup reliability, or cost optimization, the SSH series can be configured accordingly.

In conclusion, the ONESUN Stand All-in-one Energy Storage System SSH series is not just a product—it is a comprehensive energy solution that integrates performance, intelligence, and financial innovation. By combining advanced technology with a scalable rent-to-own model, ONESUN empowers users to take control of their energy future, reduce dependency on traditional grids, and unlock new economic value from solar power.