12 Volt – 140 Amp Hour – 584 WPC – YUASA Battery

12V 140Ah High-Temperature VRLA AGM Battery

The Yuasa SWU585-12FR is a premium 12-volt, valve-regulated lead-acid (VRLA) battery using absorbed glass mat (AGM) technology and Yuasa’s high-temperature HT X Alloy™. With 140 Ah at the 20-hr rate and up to 584 W/cell at 15 minutes (1.67Vpc, 25°C), it delivers reliable short-duration ride-through and long-term standby performance for UPS systems, datacenters, switchgear, and other mission-critical power applications.

Designed for a 10-year service life, the SWU585-12FR features a flame-arresting one-way vent, epoxy-sealed terminals, and a flame-retardant UL94V-0 ABS case to enhance safety in high-density installations. The maintenance-free, non-spillable AGM construction meets or exceeds DOT and IATA requirements for non-hazardous transportation, while top-mounted M6 terminals simplify rack and cabinet installations. Certified to ISO 9001, ISO 14001, and IEC 60896-21 and recognized by UL, this battery is ready for demanding enterprise and industrial environments.

Key Features

• Yuasa SWU585-12FR – 12V, 140Ah (20-hr) VRLA AGM battery with HT X Alloy™ optimized for high-temperature operation.
• Yuasa SWU585-12FR – High discharge capability — 584 W/cell at 15 minutes (1.67Vpc, 25°C) for robust UPS ride-through.
• Yuasa SWU585-12FR – 10-year design life with low capacity loss (~3% per month at 25°C) and wide storage temperature range.
• Yuasa SWU585-12FR – Flame-retardant case — UL94V-0 ABS housing and flame-arresting one-way vent for enhanced safety.
• Yuasa SWU585-12FR – Maintenance-free, non-spillable AGM design for use in cabinets and racks without electrolyte handling.
• Yuasa SWU585-12FR – Top M6 terminals with recommended torque of 4.9 Nm (43 in-lb) for secure, repeatable connections.
• Yuasa SWU585-12FR – Wide operating temperature range — discharge from -20°C to 60°C (-4°F to 140°F); operating range -40°C to 65°C (-40°F to 149°F, per manual).
• Yuasa SWU585-12FR – ISO 9001, ISO 14001, IEC 60896-21; UL recognized component (U1989); TAA compliant and DRC conflict-free.

Quick Specs