Battery Size Group H8
Group H8 Battery (Group 49): Robust Power for Canadian Vehicles
The Group H8 battery (also known as Group 49) is designed to power mid-size to large vehicles that demand higher electrical output and strong starting performance, particularly in cold Canadian climates. Known for its reliable starting power, impressive durability, and robust capacity, the H8 battery is a top choice for larger sedans, SUVs, trucks, and luxury vehicles.
H8 Battery Specs, Dimensions, and Price in Canada
The Group H8 battery is a large, 12-volt automotive battery equipped with standard top-mounted terminals, typically measuring:
Length: 13.90 inches (353 mm)
Width: 6.90 inches (175 mm)
Height: 7.50 inches (190 mm)
Typical specifications for a Group H8 battery include:
Cold Cranking Amps (CCA): 800 to 950
Cranking Amps (CA): 950 to 1100
Reserve Capacity (Minutes): 140 to 180 mins
Amp-Hour (Ah): 80 to 95Ah
In Canada, the average price of a Group H8 battery ranges between $220 to $320, depending on the brand, warranty coverage, and battery type (standard flooded or AGM). Most standard batteries include a reliable 2- to 3-year free replacement warranty.
Vehicles That Commonly Use Group H8 Batteries
The H8 battery is commonly found in larger vehicles, especially European luxury vehicles, North American SUVs, trucks, and higher-end trims, including:
Mercedes-Benz E-Class, S-Class, ML/GLE-Class
BMW 5-Series, X5, X6, 7-Series
Audi A6, A8, Q7
Volkswagen Touareg, Atlas
Porsche Cayenne, Panamera
Jeep Grand Cherokee (higher trims)
Land Rover Discovery, Range Rover
Ford Expedition, F-150 (luxury trims)
Chevrolet Silverado, GMC Sierra (premium trims)
Dodge Ram, Durango (select trims)
Unsure if your vehicle requires a Group H8 battery? Visit our Car Battery Replacement or Truck Battery Replacement pages or check your owner’s manual.
Alternative Battery Sizes for Group H8
If a Group H8 battery isn't available, consider these alternative sizes—but always verify tray size, terminal layout, and electrical requirements before selecting:
Group H7 (94R) – Slightly shorter; ideal for vehicles with limited tray space Dimensions: 12.40" x 6.90" x 7.50"
Group H9 (95R) – Longer battery offering more capacity, suitable for vehicles with larger trays Dimensions: 15.56" x 6.94" x 7.50"
Group 31 – Similar in capacity but taller; verify vertical clearance Dimensions: 13.0" x 6.75" x 9.44"
For detailed guidance confirming battery fit, visit our How It Works page.
Signs Your Group H8 Battery Needs Replacement
Even the most durable batteries need replacing eventually. Here are signs that your H8 battery may be nearing the end:
Slow engine crank or difficulty starting, especially during cold weather
Battery or check engine warning lights appear on your dashboard
Flickering headlights or dim interior lights
Voltage drops below 12.4V when idle or below 9.6V during start-up
For professional battery testing and assistance, MobileBattery offers mobile battery testing and replacement across Canada, including cities like Toronto, Montreal, and Calgary.
H8 Battery Lifespan in Canadian Conditions
The average lifespan of a Group H8 battery in Canada is typically 3 to 5 years, depending on weather conditions, driving habits, and electrical load. Cold climates, frequent short trips, and extensive accessory use (heated seats, infotainment systems) can reduce lifespan. Annual battery checks after three years are recommended.
Check our Where We Service page to confirm coverage in your area.
Need a Group H8 Battery Replacement?
Book online now at bookonline.mobilebattery.ca for convenient, professional Group H8 battery installation—right at your home, workplace, or roadside anywhere in Canada.

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