Scalability Logic: Modular architectures offer granular N+1 redundancy and easier capacity expansion compared to fixed-capacity Monobloc configurations. The cabinet is supplied without batteries, so batteries must be purchased separately. Modular battery cabinet for extended runtime for UPSs with. At StackRack, we specialize in cutting-edge modular battery systems for residential, commercial, and utility-scale applications. Designed and engineered in the United States, our battery systems are certified and compatible with top inverter manufacturers providing you with the flexibility to. 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. Engineered for use with most type of battery terminal models, these cabinets can fit a wide variety of applications. We. Use our Calculator to estimate your system. APC Trade-UPS is a 1-phase UPS program that offers new and existing customers the ability to trade in older battery backup units for the most up-to-date 1-phase power protection models at discounted prices. Continue to add units until you meet your minimum.