Last items in stock At&t Cable Modem Battery Li-ion Battery Fits At&t, Dlc-200c, At&t 7.4v, 7800mah CS-ADL200RC $72.65 All our batteries are brand new, The battery is an equivalent battery to the manufacturers as shown below. They are made with premium Lithium Ion cells and are rated as shown in the specifications. Batteries come in a variety of different formats, often a single model of battery will actually replace hundreds of other models in a multitude of different... Add to cart