Logitech H800 Cordless Phone Battery (LI-POL 3.7V 320mAh) - Replacement For Logitech 533-000067 Cordless Phone Battery Li-Pol 3.7V 320mAh Replacement For Logitech 533-000067 Cordless Phone Battery Made with high quality Japanese cells. 100% compatible with your OEM battery. 1 year warranty