The Solbank 3.0 Plus boasts an impressive lifespan of 25 years or 12,000 cycles, and a roundtrip efficiency of 95%. According to the manufacturer, this model can increase overall lifetime energy throughput by over 13%, which helps reduce operational costs for users.
The battery is housed in a 20-foot container and has dimensions of 6,058 mm x 2,438 mm x 2,896 mm, weighing 43,000 kg. It has a nominal capacity of 5 MWh and operates with a nominal voltage of 1,331 V. The system's DC voltage range spans from 1,164 V to 1,497 V, making it suitable for a variety of energy storage needs.
One of the notable features of the Solbank 3.0 Plus is its flexible configuration options, allowing it to deliver DC power for either 2 or 4 hours. Additionally, the system is designed to operate with sound levels lower than 75 dB(A), offering a quieter solution compared to other similar products on the market.
In terms of safety and performance, the Solbank 3.0 Plus is equipped with several advanced features. These include an aerospace-grade heat-resistant separator, an electrical protection system, and an optimized cooling design. The cooling system reduces auxiliary power consumption by up to 30%, further enhancing energy efficiency and contributing to lower operational costs.
This new model is part of E-storage’s ongoing development of its SolBank product line. The company has stated that improvements to the lithium-ion phosphate (LFP) battery cell manufacturing processes have enhanced the performance of the Solbank 3.0 Plus compared to its predecessor, the Solbank 3.0.
The Solbank 3.0 Plus represents a significant technological leap in E-storage’s offerings, positioning the company to meet growing demand for reliable, efficient energy storage solutions in the utility-scale market.