1200mAh Extended Battery for TomTom One IQ, V2, V3, V4, XL & XL-S GPS Devices (Not compatible with any of the TomTom One N14644 GPS Unit). MPF Products replacement for: CS-TM700SL, F650010252, F709070710, F724035958, FL0749010385, NVT2B225 & LG 523443 Batteries (Not compatible with the XL 340-S, XL IQ Routes, 4ET03 or any N14644 units). Extended 3.7V 1200mAh Lithium Ion Battery. Manufactured to have superior performance over the OEM original battery. 100% compatible with OEM Battery Chargers. 1 Year Replacement Warranty (When Purchased From MPF Products). MPF Products is a Registered Trademark.