Replacement 2000mAh NTA2253 L-LB2 190247-1000 190247-B000 Battery for Logitech MX1000 MX-1000 M-RAG97 Laser Cordless Mouse Compatible with MX1000 MX-1000, M-RAG97 Model Mouses Replaces 190247-1000, 190247-B000, NTA2253 & L-LB2 Batteries. 3.7V 1800mAh Lithium-ion Battery. 1 Year Replacement Warranty. MPF Products is a Registered Trademark.