The Vertiv™ EnergyCore Li5 and Li7 battery systems deliver high-density, lithium-ion energy storage designed for modern data centers. Purpose-built for critical backup and AI compute loads, they provide 10–15 years of reliable performance in a smaller footprint than VRLA batteries. With smart monitoring, modular scalability, and multi-layer safety protection, it supports on-grid, off-grid, and microgrid applications. Backed by. . The 50KW 114KWH ESS energy storage system cabinet is a high-performance, compact solution for efficient energy storage and management. It supports parallel connectivity for expanded capacity and enhanced grid interaction, adapting seamlessly to diverse application scenarios. Designed for C&I applications, it combines a PCS, BMS, LiFePO4 batteries, and EMS into a single, sleek cabinet to significantly reduce your energy costs and enhance power reliability. Reduce. . Rated Output Power: 20kW/30KW/50KW Rated Energy: 51. 2 kWh/ 60 kWh/107 kWh Cooling Way: air cooling Warranty: 60-month warranty from the delivery date Certifications: CE, FCC, UN38.