Power Core Universal 7 Amp 12 Volt Battery The Power Core Universal 7 Amp 12 Volt Battery is a high-performance, sealed lead-acid battery designed to provide reliable power for a variety of applications. With a capacity of 7 amp-hours and a nominal voltage of 12 volts, this battery is ideal for use in uninterruptible power supplies (UPS), alarm systems, emergency lighting, and mobility devices.