DESC: This Lithium Ion battery from Battery Technology, Inc. is compatible with Apples PowerBook G3 Wall Street model notebook. It can be used as a replacement for the original battery if it has been damaged or misplaced, or as a second battery to keep charged for extended notebook usage when AC power is not available. The battery meets or exceeds the original equipment manufacturers specifications. Dont let yourself be caught without power for your notebook when you need it. Get charged up with BTIs high-quality notebook battery products!