Products trademarked HQRP™ are marketed and sold exclusively by Osprey-Talon. General Features: - Li-Polymer Internal Battery; - 900mAh High Capacity; - Voltage: 3.7v; - The battery is completely compatible with batteries of smaller capacity; - Chemistry: Li-Polymer; - 100% compatible with Original Battery and Charger devices; - No Memory Effect, The battery can be recharged without loss of capacity; - CE and SGS-ISO-9001-2000 Approved. Compatible PDA Models: - Palm Tungsten E; - Palm Tungsten T5; - Palm Tungsten TX.