The CyberPower RB1290X2 Replacement Battery Cartridge is the perfect solution to ensure uninterrupted power supply for your CyberPower UPS. With its compatibility with a range of CyberPower UPS models including BRG1350AVRLCD, BRG1500AVRLCD, CP1500PFCLCD, LX1500GU, CP1350AVRLCD, CP1500AVRLCD, and CST150XLU, this battery cartridge offers a seamless fit for your power backup needs. Equipped with 2 battery units, the RB1290X2 provides extended power backup, allowing you to stay connected and productive even during power outages. With a battery capacity of 9000 mAh, you can rely on this cartridge to deliver consistent and reliable performance. The RB1290X2 features a leak-proof and user-replaceable lead acid battery, ensuring hassle-free maintenance and peace of mind. Its operating temperature range of 32 – 104°F (0 – 40°C) makes it suitable for use in various environments. Not only is the RB1290X2 a reliable power backup solution, but it is also environmentally friendly with its WEEE certification. You can feel good about using a product that meets high environmental standards. With its compact dimensions of 3.9″ depth, 5.9″ width, and 2.6″ height, the RB1290X2 is designed to fit seamlessly into your existing setup. Installation is a breeze with the included installation guide, ensuring a hassle-free experience. Backed by a manufacturer warranty of 18 months, the CyberPower RB1290X2 Replacement Battery Cartridge offers peace of mind and assurance of quality. Don’t let power outages disrupt your workflow – invest in the RB1290X2 and stay powered up at all times.