Biwatt has introduced its latest innovation for commercial and industrial (C&I) customers—the Powerlake I2. This energy storage system is built on sodium-ion technology and presents a safer, more stable alternative to lithium-based systems. Sodium-ion batteries are gaining traction for their excellent cycle stability and cost-effectiveness. Moreover, sodium is a widely available and environmentally friendly resource, making this system a sustainable choice for businesses.
Key Features of the Powerlake I2
The Powerlake I2 is an all-in-one system. It integrates both the energy storage and inverter components into a single control cabinet, streamlining its design and operational efficiency. This system remains fully functional across a temperature range of -30°C to 55°C, showcasing its suitability for diverse climates and environments.
In power outage scenarios, the Powerlake I2 offers seamless reliability. It switches to off-grid operation in under 20 milliseconds, ensuring uninterrupted power supply for critical applications.
Specifications of the Powerlake I2
The Powerlake I2 comprises 230 Ah Sodium-ion Battery cells connected into 11 kWh modules. Each system integrates 14 modules, resulting in a storage capacity of 155 kWh. It has:
– Input voltage range: 448 V to 885 V.
– Discharge power: 148 A at a 0.5 C-rate.
– Maximum DC power: 100 kW.
– Output voltage: 400 V.
Its charge and discharge cycles can reach up to 6,000 under conditions of 25°C, an 80% depth of discharge, and a two-hour C-rate of 0.5. This remarkable longevity makes the Powerlake I2 an enduring investment for businesses.
Durability and Design
The Powerlake I2 is an air-cooled system. Operations remain efficient at elevations as high as 4,000 meters, with minor power reduction starting from 2,000 meters. The system’s robust construction includes an IP54-rated control cabinet, which makes it resistant to dust and splashes. However, it is designed for indoor installation only.
Weighing 2.2 tons and measuring 1.6 meters by 1 meter by 2 meters, the Powerlake I2 is compact and engineered for easy integration into commercial and industrial setups.
Advantages of Sodium-Ion Batteries
Sodium-ion technology offers several clear benefits over traditional lithium-based systems. These batteries are thermally stable and do not self-ignite, delivering enhanced safety. Additionally, the widespread availability of sodium as a raw material makes it a cost-efficient and environmentally friendly option. Sodium-ion storage systems could also help mitigate concerns about resource depletion and ethical mining practices tied to lithium.
With the launch of the Powerlake I2, Biwatt is positioning itself at the forefront of the energy storage market by offering innovative solutions that address performance, safety, and sustainability criteria. This system is poised to meet the growing energy demands of the C&I sector while emphasizing eco-conscious practices.
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