Premium SLA/AGM Technology – Sealed lead-acid battery with absorbent glass mat design; maintenance-free & non-spillable for safe installation in any orientation. High-Rate 48 V / 9 Ah Capacity – Specifically engineered for demanding backup systems - provides up to 22% longer runtime when compared to an RBC57 assembled with standard 12V 7Ah batteries Exact Fit Replacement – Compatible with RBC57 cartridges and UPS systems such as SRT48BP, SRT48RMBP, SRT1000RMXLA, SRT1000RMXLA-NC, SRT1000XLA, SRT1500XLA, SRT1500RMXLA, SRT1500RMXLA-NC, SRT1000RMXLI, SRT1000RMXLINC, SRT1000XLI, SRT1500RMXLI, SRT1500RMXLI-NC, and SRT1500XLI Quality & Safety Assured – Built with Valve-Regulated Lead Acid (VRLA) technology, UL-listed cells, voltage-matched and top-charged batteries for optimal performance. Provides up to 22% longer runtime when compared to an RBC57 cartridge that is built with standard 12V 7Ah batteries Ready to Install – Ships pre-charged; plug-and-play for your critical power setup. Dependable Backup Power for APC UPS Systems – Raion Power 48 V 9 Ah Sealed Lead-Acid (SLA/AGM) Battery The Raion Power RBC57-compatible 48 V 9 Ah High-Rate Battery Pack provides exceptional reliability and longer runtime for your UPS and backup power systems. Engineered with advanced Absorbent Glass Mat (AGM) and Valve-Regulated Lead-Acid (VRLA) technology, this maintenance-free, non-spillable battery ensures consistent voltage output, dependable performance, and long service life. Whether protecting your servers, network gear, or essential home electronics, this replacement battery delivers stable, high-rate discharge power whenever you need it most. Key Features High-Rate Discharge Performance: Built with premium high-rate cells that provide stable voltage and extended runtime under heavy UPS loads. SLA/AGM Maintenance-Free Design: Sealed, non-spillable construction allows installation in any orientation without electrolyte maintenance. Direct Drop-In Replacement: Fully compatible with APC RBC57 cartridges for UPS models such as SURTA1500RMXL, SURTA2000RMXL2U, and SURTA2200RMXL2U. Reliable Quality & Safety: Manufactured in ISO-certified facilities using UL-listed components that are voltage-matched, top-charged, and date-coded for performance consistency. Ready to Install: Ships pre-charged for immediate use; plug-and-play setup reduces downtime and simplifies battery maintenance. 💡 Common Applications APC UPS systems requiring RBC57 cartridges Network and data center power backup Telecom and IT infrastructure Home office and small business UPS units Industrial control and emergency power systems ⚙️ Why Choose Raion Power Raion Power batteries are engineered for precision, reliability, and extended service life. Each unit is carefully voltage-matched, top-charged, and inspected to meet demanding UPS performance standards. Designed for critical power applications, the Raion Power 48 V 9 Ah SLA battery delivers the dependability and high-rate discharge performance your systems rely on during power interruptions. Technical Specifications Voltage: 48 V Capacity: 9 Ah (High-Rate Discharge Cells) Chemistry: Sealed Lead-Acid (SLA / AGM / VRLA) Form Factor: RBC57-Compatible Battery Pack Dimensions (L × W × H): Approx. 7.8 × 5.2 × 6.3 in Weight: = 29 lb Package Includes: 1 × Raion Power 48 V 9 Ah RBC57 Replacement Battery Cartridge