Upgrade your Smart-UPS with the APC Replacement Battery Cartridge designed specifically for Line Interactive models. This high-performance 48V 9Ah lead-acid battery ensures reliable power backup, keeping your devices safe during outages. With a 2-year repair or replace warranty, you can trust in its durability and performance. The sleek black design seamlessly fits into your UPS system, maintaining a professional look. Easy to install, this cartridge is perfect for both home and office use, providing peace of mind when you need it most. Keep your systems running smoothly with APC!