420-002 Replacement Battery 21CR19/66-9 — 7.4V 7800mAh Li-ion for Thermo Scientific Niton XL3t & XL2 XRF Analyzers

High-capacity 21CR19/66-9 rechargeable Li-ion battery delivering 7.4V and 7800mAh — a direct replacement for battery model 420-002. This pack provides a reliable, cost-effective substitute for worn OEM batteries. Compatible devices: Thermo Scientific Niton XL2 (800, 980) XRF Analyzer and Thermo Scientific Niton XL3t (980, 800, 700, 600, 700S, 900S, 950) XRF Analyzer. Use a charger or charging interface that matches this battery’s specifications; for best results, perform an initial 12-hour charge.