These are rechargeable or "secondary batteries." The batteries are disassembled by shredding and/or hammer-mill. The electrolytes are neutralized; the heavy metals are recovered by pyrometallurgical processes; and the heavy metals are sold back into the manufacturing chain.
Battery Solutions Inc., 38680 Michigan Ave., Wayne, MI 48184. Tel: 734-467-9110; Fax: 734-467-9104.