Upgrade your power backup with the APC Replacement Battery Cartridge #136. Designed for 24 V DC systems, this lead-acid battery is both spill-proof and maintenance-free, ensuring a hassle-free experience. With a minimum lifespan of 3 years, it provides reliable performance to keep your devices running smoothly. The sleek black design fits seamlessly into your existing setup, making installation a breeze. Whether for home or office use, this battery cartridge is your go-to solution for uninterrupted power. Keep your equipment safe and operational with APC's trusted quality!