Replacement Battery for GE 25912 Cordless Phones - 3.6V Ni-MH 700mAh. Restore the power and talk time to your GE cordless phone with this high-quality Ni-MH rechargeable battery. Specifically designed for the GE 25912 model, this battery offers a 700mAh capacity and 3.6V output. Exact dimensions are 45.90 x 31.20 x 10.70mm, ensuring a perfect fit. Keep the conversation going!