The CyberPower RB1290X2 UPS Replacement Battery Cartridge is a high-quality, reliable solution for keeping your computer and other electronic devices powered up during power outages. This sealed battery cartridge is compatible with 12V systems and features a sleek black design that fits seamlessly into your Uninterruptible Power Supply setup. With a capacity of 9Ah, this replacement battery cartridge ensures that your devices will stay powered for an extended period of time, giving you peace of mind during emergencies.