Exide® - Marathon Max™ AGM Battery

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Product Details

Marathon Max™ AGM Battery (MX78) by Exide®. Amp Hour Capacity: 55. Cold Cranking Amperage: 690. Reserve Capacity: 110. Voltage: 12V. Exide’s AGM (Absorbed Glass Mat) battery, Marathon Max™, is designed to maximize energy capacity for today’s on-the-go drivers. Marathon Max™ lasting energy protects against battery failure, helping vehicle batteries stay strong and perform like new longer. Advanced grid technology paired with glass mat separators retains initial capacity for lasting power for vehicle safety and entertainment features along with start-stop technology.


  • Length: 10.2". Width: 7.2". Height: 7.3".


Volts: 12
Amp Hour Capacity 20hr: 55
BCI Group Size: 78
Reserve Capacity Minutes @ 25 Amps: 110
Cold Cranking Amps: 690
Cranking Amps: 825
Battery Terminal Type: S


  • Clean, spill-proof, maintenance-free absorbed glass mat construction. Easy to install - even on its side
  • Start-stop systems require a battery with greater power to support the intermittent energy draw of these modern vehicles
  • Higher reserve capacity and faster recovery ensures ample amounts of energy is available to power all your advanced safety/entertainment features and mobile accessories
  • Exide Marathon Max™ AGM batteries come with a 4-year free replacement warranty and 4-year free jump start assistance

Exide® Technologies has a rich history spanning more than 120 years in the battery business. Their strengths demonstrate Exide's position as a forerunner of industrial advancement around the world. With countless contributions to the growth of technology, Exide's story reflects the spirit of innovation and resilience at its best. Today, Exide serves the complex stored energy needs of customers around the world. We provide services and systems that enhance vehicle performance and fleet utilization as well as those that reduce risk of temporary interruptions of power supplies. Their global footprint melds together two significant bases of experience in transportation and industrial markets and provides for better and faster means of introducing innovations in products and services. Exide is working to change the way the world uses and stores electrical energy.

Part Number:

Vehicle Fitment

B-Series 1980-1991, 1993-2000
Kodiak 1980-2009
T-Series 1997-1998
W-Series 1995-2010
370 1955-1959
280-22 1955
350-8 1955-1959
B-Series 1980-1991, 1993-2002
B3500 1964-1965
Brigadier 1981-1983
FM340 1955-1959
FM350 1955-1959
M300 1955-1959
M340 1955-1956
S370 1955-1959
T-Series 1997-1998
Topkick 1980-2009
W-Series 1995-2010
LF72 2005-2011
P-Series 1999-2007
P30 2000-2005
P32 1999-2005
P42 1999-2005
R-Series 2004-2008
R26 2007-2009
R32 2003-2009
W-Series 2001-2012
W16 2006-2009
W18 2006-2009
W20 2001-2009
W21 2007-2009
W22 2001-2009
W24 2004-2009
W25 2005-2009
W42 2004-2011
W62 2007-2011


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Exide® - Marathon Max™ AGM Battery

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