Maximize On-Site Analysis Time: High-Capacity Battery for Olympus Delta XRF Power through full-day material testing and alloy verification without interruption. This ND2017 / NDR2017 replacement battery delivers a substantial 47.52Wh (6600mAh) of energy at 7.2V, engineered specifically for Olympus Delta series handheld XRF analyzers. Its high capacity is ideal for extended shifts in scrap yards, foundries, pipeline inspections, and positive material identification (PMI) tasks.