American Power Conversion (APC) APC is positioning itself to be the preferred brand worldwide in four application areas - Home/Home Office; Business Networks; Access Provider Networks; Data Centers and Facilities. It strives to provide protection against some of the leading causes of downtime, data loss and hardware damage: power problems and temperature. As a global leader in power availability solutions, APC sets the standard in its industry for quality, innovation and support. Its comprehensive power solutions, which are designed for both home and corporate environments, improve the manageability, availability and performance of sensitive electronic, network, communications and industrial equipment of all sizes.

APC Replacement Battery Cartridge #21