Upgrade your UPS system with the APC Replacement Battery Cartridge 159. This maintenance-free, sealed, and leak-proof lead-acid battery ensures reliable power backup when you need it most. Designed for easy installation, it’s hot-swappable, allowing you to replace it without shutting down your equipment. With a minimum lifespan of 3 years, this battery is built for longevity and performance. Its sleek black design seamlessly fits into your existing setup, providing peace of mind and uninterrupted power. Keep your devices safe and operational with this essential battery replacement!