Hilong battery storage systems provide users with a  peak-valley electricity price arbitrage mode and stable power quality management. Hilong’s electrochemical energy storage products have been successfully applied in large-scale industrial, commercial and residential areas, and been expanded to emerging scenarios such as base stations, UPS backup power, off-grid and island/isolate systems, intelligent charging stations for optical storage charging and testing, etc. Such applications help regions that have a lack of power grids to have access to electricity, reduce electricity costs, ensure a  stable power network, and achieve maximum social and economic benefits by using renewable energy to its greatest extent.