FIAMM 12FGH65 High-Rate Performance (5-Year) VRLA Battery (12V 18Ah)

The FIAMM 12FGH65 is a 12 V, 18 Ah high-rate VRLA AGM battery engineered for critical power environments such as UPS, telecom, security systems, and emergency lighting. Designed with a 5‑year float service life, it delivers enhanced discharge performance and rapid response in peak-load applications. The battery features 99 % gas recombination, sealed AGM technology, and low self‑discharge (<2 %/month), ensuring long-term readiness even after extended storage. UPSBuyer stocks and delivers this premium battery UK‑wide, backed by full warranty and technical support.

Features & Benefits

• High‑rate performance: Delivers strong discharge power—58.3 W at 15 min rate; ideal for high-demand UPS and alarm tasks.
• 5‑year float life: Reliable long-term standby power.
• Sealed AGM: Non‑spillable, maintenance-free and safe in any orientation.
• 99 % gas recombination: Minimises water loss, prolonging lifespan.
• Low self‑discharge: Retains charge during storage (<2 % per month).
• Rugged ABS case: Durable and compliant with transport standards.
• Compact & versatile: Flag Ø 5.5 mm terminals support secure connections.
• UPSBuyer UK support: Nationwide delivery, full warranty, and specialist technical assistance.

Technical Specifications

• Model: 12FGH65
• Voltage: 12 V
• Capacity: 18 Ah (20 h rate to 1.75 Vpc at 25 °C)
• Float charge voltage: 13.50 – 13.80 V/block @25 °C
• Boost charge voltage: 14.40 – 15.00 V/block @25 °C
• Max charge current: 4.5 A
• Internal resistance: 9.8 mΩ (fully charged)
• Dimensions (L×W×H): 181x76x167mm
• Terminal Height: 165mm
• Weight: 5.6kg
• Terminal Type: Flag Ø5.5
• Operating temperature: –20 °C to +50 °C
• Self‑discharge: < 2 % per month at 20 °C
• Shelf-life: 6 months @20–25 °C without recharge
• Certifications: IEC 60896‑21/22, UL recognised