The APC #123 Replacement Battery Cartridge is rated at 12 Volts, 9 Amp Hour. It is designed to replace many of the different sealed lead acid batteries available in today's marketplace. It is manufactured to a very high standard to enhance the performance of the device that it will be used for. The batteries are designed with high quality components by the certified factory. It has a characteristic of high discharge rate, wide operating temperature, long service life and deep discharge recover.