Wacom 1UF553450Z-WCM Tablet Battery TLP-015 Li-Pol Battery - Rechargable Ultra High Capacity (Li-Pol 3.7V 1050 mAh) - Replacement For Wacom 1UF5534502-WCM Battery (Li-Pol 3.7V 1050 mAh) Replacement For Wacom 1UF5534502-WCM Battery 100% compatible with your OEM battery. 1 year warranty