2x Pack - VTech CS6729-21 Battery - Replacement for VTech Cordless Phone Battery (700mAh, 2.4V, NI-MH) Replacement VTech CS6729-21 Battery Replacement for VTech Cordless Phone Batteries Quantity: 2, Lifetime Warranty Capacity: 700mAh, Upstart Battery Brand On Sale for a Limited Time!