Upgrade your power backup with the APC Replacement Battery Cartridge 155. This lead-acid battery is designed to be leak-proof and maintenance-free, ensuring reliable performance without the hassle. Its hot-swappable feature allows for easy replacement without shutting down your equipment, making it perfect for critical environments. With a minimum lifespan of three years, you can count on this battery to keep your devices running smoothly. Ideal for APC UPS systems, this cartridge is a smart choice for anyone looking to maintain uninterrupted power supply. Keep your devices protected and powered with APC!