Upgrade your power backup with the APC Replacement Battery Cartridge 155. This lead-acid battery is designed for reliability, featuring a leak-proof and maintenance-free design that ensures long-lasting performance. With a hot-swappable feature, you can easily replace the battery without shutting down your equipment, making it perfect for critical environments. Enjoy peace of mind with a minimum 3-year battery life, ensuring your devices stay powered when you need them most. Ideal for APC UPS systems, this cartridge is a smart choice for uninterrupted power supply.