GE 3.6V 850mAh Rechargeable NiCAD Battery Black Cordless Phone TL26400 GE 3.6V 850mAh Rechargeable NiCAD Battery Black Cordless Phone TL26400. Material: Plastic. Material: Metal. Exact item size plus or minus 1/4 inch - 2in length x 1.75in width x 0.55in height. Country of Manufacture: China. Feature: Part Number: TL26400 0015. Feature: Eco-Friendly.