Power Extended On-Site Material Analysis with Your Vanta Analyzer Ensure your critical alloy verification, mining exploration, and environmental testing never stall in the field. This ND2034OL34 replacement battery is engineered specifically for Olympus Vanta series handheld XRF analyzers, delivering reliable 47Wh (3.25Ah) of power at 14.4V. A fresh, high-quality battery is essential for maximizing uptime during demanding, all-day surveying and material identification tasks.