EBL Cordless phone batteries BT 17333 3.6V 600mAh4 Battery: 3*2/3AA,3.6V 600mah,rechargeable,4 Packs Compatible model: Vtech BT-17333, BT-27333 and others listed in the description Battery type: Replacement battery High quality,short-circuit protection for safety Warranty: The replacement battery come with 30 days money back and 1 year warranty