AJC® Replacement Battery for APC BACK-UPS RS BR900 — 12V 35Ah Sealed Lead Acid (AGM)

Disclaimer: Our products are not affiliated with or authorized by APC. Product overview: AJC® replacement battery designed for APC BACK-UPS RS BR900 UPS units. Nominal voltage 12V and rated capacity 35Ah. Chemistry: Sealed Lead Acid (AGM). Terminal type: NB. Physical specifications: Length 7.76 in, Width 5.16 in, Height 6.38 in. Weight: 23.6 lbs. Why choose AJC® replacements: High-quality, cost-effective replacements that serve as exact OEM-fit substitutes. Millions of batteries sold worldwide. UL recognized component. Purchase is supported by a straightforward 30-day return policy and a 12-month warranty. SLA battery care tips: Recharge the battery after each use to avoid reduced performance and do not allow complete discharges. Check terminals periodically for corrosion or other wear that could cause failure. Always store the battery fully charged in a cool, dry location (68°F/20°C). Recycle batteries responsibly—do not dispose in household trash.