Replacement Battery for GE Cordless Phones - Model GE 521819APower up your old GE cordless phone with this brand new Nickel-Metal Hydride (Ni-MH) replacement battery! Featuring 3.6V voltage and 700mAh capacity (2.52Wh), it ensures reliable performance and talk time. Perfectly sized at 45.90 x 31.20 x 10.70mm for a guaranteed fit in compatible GE models like 52522, 52523, and others. Say goodbye to frustrating battery fade and enjoy clear, uninterrupted calls!