We accept all rechargeable batteries weighing up to 11 lbs. (5 kg) each, including Nickel Cadmium (Ni-Cd), Nickel Metal Hydride (Ni-MH), Lithium Ion (Li-Ion), Nickel Zinc (Ni-Zn) and Small Sealed Lead Acid (SSLA/Pb). We do not accept automotive or wet-cell batteries.