Upgrade your power backup with the APC Replacement Battery Cartridge 157. This maintenance-free, sealed, and leak-proof lead-acid battery is designed for seamless integration into your UPS systems. Its hot-swappable feature allows for easy replacement without downtime, ensuring your devices stay protected. With a minimum lifespan of three years, this reliable battery guarantees long-lasting performance. The sleek black design fits perfectly in any environment, making it a practical choice for both home and office use. Keep your critical equipment running smoothly with this essential power solution!