The Inverlast series features heavy-duty Tall Tubular batteries, crafted to sustain the high demands of electrical appliances during prolonged and frequent power interruptions. These batteries incorporate a special grade Lead alloy, making them well-suited for both HRD (High Rate Discharge) and SFC (Standard Frequency Crystal) applications. A key feature of these batteries is their Orthogonal 3D grid design, which is integral to their unmatched electrical performance. This unique grid structure enhances the efficiency and durability of the batteries, ensuring reliable and consistent power delivery in situations where a stable energy supply is crucial.