This modular ESS solution allows seamless capacity expansion from 10kWh to 40kWh through parallel configuration, making it the ideal choice for residential solar systems, commercial UPS applications, and telecommunications infrastructure. . The Sol-Ark L3 Series Lithium HV-40 (Indoor) battery energy storage system (BESS) offers scalability, reliability, and energy resilience essential for modern commercial and industrial operations. It integrates 20kWh LiFePO4 batteries with BMS, high-voltage boxes, power distribution systems, PCS. . HAIKAI LiHub All-in-One Industrial ESS (Energy Storage System) is a powerful and compact lithium battery solution designed for reliable energy management.