Sealed Lead-Acid Battery FIAMM FUKAWA FW 12-12U 12V 12Ah for UPS and backup power

FIAMM FUKAWA FW 12-12U is a sealed lead‑acid (SLA) battery with 12 V nominal voltage and 12 Ah capacity, intended for UPS units and general backup power applications. The battery uses AGM technology with electrolyte absorbed in glass mat, is valve‑regulated and maintenance‑free, and can be operated in any orientation. Connection is via F2 (Faston 250 / 6.3 mm) terminals and the compact rectangular case measures 151 × 98 × 95 mm.

Advantages

The FIAMM FUKAWA FW 12-12U offers a maintenance‑free sealed design and AGM construction that prevents electrolyte leakage and allows mounting in different positions. Valve regulation improves safety and extends service life under normal operating conditions. Its F2 (Faston 250) connector ensures compatibility with many UPS models and standby systems, while the compact dimensions make it suitable for confined installations.

Suitable for

• Uninterruptible Power Supplies (UPS)
• RBC kits and standby power modules
• Alarm and security systems (EZS)
• Emergency lighting and power supplies (EPS)
• CCTV and other electronic backup systems

Key specifications

• Manufacturer: FIAMM (FUKAWA series)
• Model: FW 12-12U
• Type: Sealed lead‑acid (SLA), AGM, valve‑regulated
• Voltage: 12 V
• Capacity: 12 Ah
• Terminal: F2 (Faston 250 / 6.3 mm)
• Dimensions (L×W×H): 151 × 98 × 95 mm
• Operating discharge temperature range: -20 to 60 °C
• MPN/EAN: 12157

How to use

Install the battery in a compatible UPS or backup device following the manufacturer’s instructions for that device. Connect the F2 (Faston 250) terminals with correct polarity, ensure secure mechanical fixation, and avoid short circuits. The battery is maintenance‑free; periodic visual inspection for proper mounting and connections is recommended. Charge and operate the battery within the recommended temperature range to preserve capacity and service life.

Usage recommendations

Use this FIAMM FUKAWA 12V 12Ah battery as a direct replacement in devices that specify a 12 V 12 Ah sealed lead‑acid battery with F2 terminals. If uncertain about compatibility with your UPS model, consult the UPS configurator on the vendor site or contact technical support/HELPDESK for selection assistance.