Extend Your NDT Inspection Sessions with High-Capacity Power Power through demanding, full-day non-destructive testing (NDT) inspections without interruption. This NI2020HD replacement battery delivers a substantial 78Wh (7200mAh) of reliable energy at 10.8V, specifically engineered for GE USM35 and Olympus Epoch 1000i series ultrasonic flaw detectors. Its high capacity is ideal for weld inspection, corrosion mapping, and thickness gauging in remote or large-scale industrial environments.