Generic Rechargeable Cordless Phone Batteries for Vtech BT-17333 BT-27333 CS2111, CS5111, CS5111-2, and CS5121 Cordless Telephone Battery Replacement Pack High quality 3.6V 400 Mah Standard battery Ni-CD Rechargeable/Replacement Battery Designed to meet or exceed performance of original battery Package: 1 X Battery for Vtech BT-17333 BT-27333 It comes with a 1 year warranty. Free shipping