21CR19/66-9 (420-002) Replacement Battery — 7.2V 7800mAh for Thermo Scientific Niton XL3t / XL2 XRF Analyzers

Replacement for battery model 21CR19/66-9 (part number 420-002). This rechargeable Li-ion pack provides 7.2V and 7800mAh capacity, delivering a cost-effective alternative to the original battery while maintaining reliable performance. Compatible models: - Niton XL2 800/ 980 Thermo Scientific XRF Analyzer - Niton XL3t 980/ 800/ 700/ 600/ 700S/ 900S/ 950 Thermo Scientific XRF Analyzer Notes on charging: Use the charger or charging interface that matches this battery’s specifications. For best results, perform an initial charge of 12 Hours before first use.