FT825-78 Cranking Battery (AGM) Group 34/78 12V

FT825-78 AGM Cranking Battery Group 34/78 12V 65Ah 825CCA — Dual-Terminal Premium Automotive Starting Power

The Fullriver FT825-78 is a premium Group 34/78 12V AGM cranking battery engineered for high-demand automotive and light truck applications. With 825 CCA and dual-terminal (Type DT) posts, it fits vehicles that require either Group 34 or Group 78 terminal configurations — making it one of the most versatile drop-in AGM upgrades available for North American vehicles.

Backed by an industry-leading 48-month warranty and built to Fullriver's FT series standards, the FT825-78 delivers exceptional cold-cranking reliability for Canadian winters alongside 135 minutes of reserve capacity for sustained electrical loads.

Key Features

• 12V / 65Ah (20h rate) — strong capacity for automotive starting and accessory loads
• 825 CCA (-18°C / 0°F) — powerful cold-cranking performance for reliable starts in Canadian winters
• 1000 CA (0°C / 32°F) — exceptional cranking output across all temperatures
• 135-minute reserve capacity @ 25A — sustained power for vehicle electronics and accessories
• Dual-terminal design (Type DT — A+S) — fits both Group 34 and Group 78 battery trays
• AGM sealed construction — maintenance-free, spill-proof, vibration-resistant
• 48-month warranty — industry-leading coverage backed by Fullriver Battery

Specifications

• Voltage: 12V
• Capacity: 65Ah (20h rate)
• CCA (-18°C / 0°F): 825A
• CA (0°C / 32°F): 1000A
• Reserve Capacity @ 25A: 135 minutes
• Chemistry: AGM (Pb) — Sealed Lead Acid
• Group Size: GR-34/78
• Terminal Type: Type DT — Dual Terminal (A+S)
• Dimensions: 7.2" x 6.8" x 7.2" (182.9 x 172.7 x 182.9 mm)
• Weight: 20.8 kg
• Colour: Black / Grey
• Part/Model Number: FT825-78
• Brand: Fullriver Battery
• Warranty: 48 months

Ideal For

• Cars and light trucks requiring Group 34 or Group 78 batteries
• High-demand vehicles with upgraded audio, lighting, or accessory loads
• Cold-climate starting applications in Canadian winters
• AGM upgrade from conventional flooded automotive batteries
• Vehicles with start-stop systems or advanced electrical demands

Need the Group 34 single-terminal version? See the FT825-34.

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