FT620-51 Cranking Battery (AGM) Group 51 12V

FT620-51 AGM Cranking Battery Group 51 12V 55Ah 620CCA — Premium Japanese & Import Vehicle Starting Power

The Fullriver FT620-51 is a premium Group 51 12V AGM cranking battery engineered for Japanese and import vehicles requiring the compact Group 51 fitment. With 620 CCA and 100 minutes of reserve capacity, it delivers dependable cold-cranking power for Canadian winters alongside sustained energy for modern vehicle electrical systems.

Group 51 is a popular fitment for Honda, Acura, Mazda, and Mitsubishi vehicles. Built to Fullriver's FT series standards and backed by an industry-leading 48-month warranty, the FT620-51 is a top-tier AGM upgrade over conventional flooded Group 51 batteries.

Key Features

• 12V / 55Ah (20h rate) — reliable capacity for compact and mid-size vehicle starting and accessory loads
• 620 CCA (-18°C / 0°F) — strong cold-cranking performance for reliable starts in Canadian winters
• 745 CA / 745 MCA (0°C / 32°F) — consistent cranking output across all temperatures
• 100-minute reserve capacity @ 25A — sustained power for vehicle electronics and accessories
• Group 51 form factor — direct-fit for Honda, Acura, Mazda, Mitsubishi, and other import vehicles
• AGM sealed construction — maintenance-free, spill-proof, vibration-resistant; compatible with start-stop systems
• 48-month warranty — industry-leading coverage backed by Fullriver Battery

Specifications

• Voltage: 12V
• Capacity: 55Ah (20h rate)
• CCA (-18°C / 0°F): 620A
• CA (0°C / 32°F): 745A
• MCA (0°C / 32°F): 745A
• Reserve Capacity @ 25A: 100 minutes
• Chemistry: AGM (Pb) — Sealed Lead Acid
• Group Size: GR-51
• Dimensions: 9" x 5.4" x 8.2" (228.6 x 137.2 x 208.3 mm)
• Weight: 18.0 kg
• Colour: Black / Grey
• Part/Model Number: FT620-51
• Brand: Fullriver Battery
• Warranty: 48 months

Ideal For

• Honda and Acura vehicles requiring Group 51
• Mazda and Mitsubishi vehicles requiring Group 51
• Compact and mid-size import vehicles with start-stop systems
• Cold-climate starting applications in Canadian winters
• AGM upgrade from conventional flooded Group 51 batteries

Ships from Thunder Battery — Canada's trusted energy storage dealer.