Thunder Battery Group 34/78 Dual Terminal Battery
Thunder Battery
Thunder Battery 34/78-TB Group 34/78 Dual Terminal Battery 12V 750 CCA — 48-Month Free Replacement Warranty
The Thunder Battery 34/78-TB is a Group 34/78 12V flooded lead acid (FLA) automotive battery delivering 750 CCA and 930 CA, featuring dual terminals (Type DT) — both SAE top post and side post connections. This makes it a versatile direct replacement for vehicles that specify either Group 34 (top post) or Group 78 (side post) batteries, including many GM, Chrysler, and select import vehicles.
Built and backed by Thunder Battery with a class-leading 48-month free replacement warranty, it offers exceptional value and peace of mind for Canadian drivers.
Core fee: An $8 core fee is included in the price. A rebate is applied at purchase if an old battery of equal size is provided.
Key Features
- 750 CCA / 930 CA — strong cold cranking performance for reliable starting in Canadian winters
- 65Ah @ 20h rate — solid capacity for cars and trucks with standard electrical loads
- 110-minute reserve capacity @ 25A — dependable runtime for accessories and electronics
- Dual terminal (Type DT) — both SAE top post and side post connections for maximum vehicle compatibility
- Group 34/78 form factor — fits vehicles specifying Group 34 (top post) or Group 78 (side post)
- 48-month free replacement warranty — class-leading coverage from Thunder Battery
- $8 core fee included — rebate applied at purchase with old battery trade-in
Specifications
- Voltage: 12V
- Capacity: 65Ah (20h rate)
- CCA (-18°C / 0°F): 750
- CA (0°C / 32°F): 930
- Reserve Capacity @ 25A: 110 minutes
- Chemistry: FLA (Flooded Lead Acid)
- Group Size: 34/78 (GR-34/78)
- Terminal Type: Type DT — Dual Terminal (SAE Top Post + Side Post)
- Dimensions: 10.2" x 7" x 7.9" (260 x 179 x 201 mm)
- Weight: 16.5 kg
- Colour: Black
- Part/Model Number: 34/78-TB
- Brand: Thunder Battery
- Warranty: 48 months free replacement
Ideal For
- GM vehicles (Chevrolet, GMC, Buick, Cadillac) requiring Group 34 or 78
- Chrysler, Dodge, and Jeep vehicles specifying Group 34
- Any vehicle requiring dual top post and side post terminal access
- Canadian drivers needing reliable cold-weather starting performance
Available at Thunder Battery — Thunder Bay & Canada's trusted energy storage dealer.













