Replacement Ni-MH Battery for RCA 27920 Cordless Phones.This new 3.6V Ni-MH battery is engineered to fit your compatible RCA cordless phone models, including 27920GE2, 27920GE3, and others in the 27920 series.Key Specifications: * Capacity: 700mAh / 2.52Wh* Voltage: 3.6V* Chemistry: Ni-MH (Nickel-Metal Hydride)* Dimensions: 45.90 x 31.20 x 10.70mmEnsure your phone stays charged and ready with this reliable replacement. Please verify your old battery specifications and model number for compatibility before purchasing.