Replacement battery for APV UPS devices with a lifespan of 3 to 5 years. Maintenance-free, sealed lead-acid battery, leak-proof. Includes all necessary connections. The RBC116 replacement battery is durable and powerful, featuring a maintenance-free and sealed lead-acid battery with suspended electrolyte. The battery comes with all required connections, a battery recycling guide, and an installation manual. Compatible with models SMX1000, SMX1000I, SMX750, and SMX750I.