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BOSCH S678DT Specifications
Amp Hour55 Ah
BCI Group Size34/78
Battery End TypeTop / Side Post
Battery TypeAGM
Cold Cranking Amperage (CCA)775
Cranking Amperage (CA)890
Dimensions (IN) - Height8.000 in
Dimensions (IN) - Length10.7500 IN
Dimensions (IN) - Width6.8750 IN
Maintenance FreeYes
Positive Terminal LocationSide Left Top Left
Reserve Capacity (RC)120 min
Weight43.00 LB
AGM; BCI Group 34/78; CCA 775; RC 120; (LxWxH) 10.75" x 6.875" x 8.0"
Bosch S6 High Performance AGM™ Batteries provide excellent charge acceptance & peak power for vehicles with start/stop systems, regenerative braking & the highest electronic demand. The S6 features AGM™ technology & satisfies the highest starting & power supply standards even in extreme hot & cold climates.

AGM vs. Lead Acid Cost Lifespan Weather Resistant Durable Tolerates Overcharging Hazard-Free High Capacity Maintenance Free
AGM $$
Up to 2X Longer

Heat & Cold Tolerant

Vibration Resistant


For Modern Electronics

No Top Off or Inspection
Lead Acid $ —


Free Jumpstart Assistance Program

Bosch AGM Batteries (S6 Series) come with complimentary jumpstart assistance for 36 months from date of purchase. The Bosch Nationwide Limited Battery Jumpstart plan applies to the original battery, original purchaser and the original vehicle identified on the receipt for the battery purchase.

Jumpstart Assistance Program

Service includes reimbursement for jump-start THREE (3) years from the date of purchase.

Understanding Battery Specifications


BCI Group Size describes the physical dimensions (LxWxH) and terminal configuration of the battery. Many vehicles can accommodate a battery from more than one group size. The BCI Group is not directly related to the performance of the battery.

Describes Physical Dimensions

Cold Cranking Amps (CCA) describe a battery's ability to start an engine in cold temperatures. This helps you understand how much power the battery is capable of delivering in short bursts. The higher the CCA rating, the greater the starting power of the battery.

Describes Performance

Reserve Capacity (RC) describes how long a charged battery can supply power without being recharged. This helps you understand how a battery can deliver energy over an extended period of time. More RC is beneficial for vehicles that aren't driven on a regular basis.

Describes Performance
Tips & Tools For The Repair
Additional Resources

State Point-Of-Sale Signs / AGM Cores

Attention California Customers - PROPOSITION 65 WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. WASH HANDS AFTER HANDLING.

It is illegal to dispose of a motor vehicle battery or other lead acid battery in a landfill. All car batteries can and should be recycled. Many towns have made hazardous waste drop-off free to encourage people to bring in materials rather than dumping them. In fact, some scrap yards will even pay you for your old automotive batteries! A quick internet search will help you find local drop off locations.

Warranty Information:
48 Months Free Replacement
Warranty Details