10 Best Group 25 Battery of August 2025

• Cold Crank Amp (CCA)- 900
• Better warranty: Limited 3 and 4 year full replacement warranty - not pro rata
• Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation
• Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time
• Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 - 6 hours
• Mounting flexibility: Non-spillable design
• Vibration resistance- design protects against high impact shock and mechanical vibration
• Extreme temperature tolerant- Operating temperatures from -40 degree Celsius (-40 degree Fahrenheit) to 45 degree Celsius (113 degree Fahrenheit).
• This item is not for sale in Catalina Island

ODYSSEY

• 12-Volt, 720 Cold Cranking Amps, Size: 10 5/16" x 6 13/16" x 7 5/8" tall, Weight: 39.5 pounds, SAE Posts
• Reserve capacity of 90 minutes for constant performance;Up to 3X longer life
• Optimal starting power even in bad weather
• Fifteen times more resistant to vibration for durability.This item is not for sale in Catalina Island
• C20 Capacity:44 Amp hour; Maintenance-free
• Internal Resistance - 0.003

Optima

• 170 CCA; Better warranty: Limited 2-year full replacement warranty, not pro rata; Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation
• Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time
• Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 - 6 hours; Mounting flexibility: Non-spillable design
• Vibration resistance- design protects against high impact shock and mechanical vibration; Extreme temperature tolerant
• This item is not for sale in Catalina Island
• "Item is Hazmat and non-returnable

ODYSSEY

• Cold Crank Amp (CCA)- 330
• Better warranty: Limited 3 and 4 year full replacement warranty - not pro rata
• Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation
• Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time
• Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 - 6 hours.Reserve Capacity:52 minutes
• Mounting flexibility: Non-spillable design
• Vibration resistance- design protects against high impact shock and mechanical vibration
• Extreme temperature tolerant- Operating temperatures from -40 degree Celsius (-40 degree Fahrenheit) to 45 degree Celsius (113 degree Fahrenheit).
• This item is not for sale in Catalina Island / Pulse (5-second) Hot Cranking Amps (PHCA) - 900.This item cannot be returned and has additional shipping restrictions.Reserve Capacity Minutes 52

ODYSSEY

• 12-Volt, 620 Cold Cranking Amps, Size: 9 5/16" x 6 13/16" x 7 5/8" tall, Weight: 37.8 pounds, Dual SAE and GM Terminals
• Reserve capacity of 100 minutes for constant performance
• Optimal starting power even in bad weather
• Fifteen times more resistant to vibration for durability.Reserve Capacity at 25 Amps:98 Minutes
• This item is not for sale in Catalina Island
• Reserve capacity of 98 minutes for constant performance

Optima

• 12-Volt, 720 Cold Cranking Amps, Size: 10 5/16" x 6 13/16" x 7 5/8" tall, Weight: 33.1 pounds, Dual SAE & GM Posts
• Reserve capacity of 90 minutes for constant performance
• Optimal starting power even in bad weather
• Fifteen times more resistant to vibration for durability
• This item is not for sale in Catalina Island

Optima

• Cold Crank Amp (CCA)- 850
• Better warranty: Limited 3 and 4 year full replacement warranty –
• not pro rata
• Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation^Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time^Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 - 6 hours
• Mounting flexibility: Non-spillable design^Vibration resistance- design protects against high impact shock and mechanical vibration
• Extreme temperature tolerant- Operating temperatures from -40 degree Celsius (-40 degree Fahrenheit) to 45 degree Celsius (113 degree Fahrenheit).^This item is not for sale in Catalina Island

ODYSSEY

• High density negative paste, improves performance and increases battery life
• Enhanced life alloy/Silver Calcium stamped alloy increases cycle life and improves performance
• Calcium lead positive grid, maximizes conductivity and allows for low resistance
• Robust envelope separator with puncture resistant back, allows for increased acid circulation and prevents shorts. Improved acid circulation, helps the battery to remain cool, and extend battery life
• Vent cap design that resists acid leakage

ACDelco

• 12-Volt, 800 Cold Cranking Amps, Size: 10" x 7 1/4" x 7 3/16" tall, Weight: 39.5 pounds, Side Terminal
• Reserve capacity of 100 minutes for constant performance
• Optimal starting power even in bad weather
• Fifteen times more resistant to vibration for durability
• This item is not for sale in Catalina Island

Optima

• 12-Volt, 720 Cold Cranking Amps, Size: 9.38 x 7.69 x 6.75-InchesWeight: 31.7 pounds, SAE Posts
• Reserve capacity of 90 minutes for constant performance
• Optimal starting power even in bad weather. Case material is Polypropylene
• Fifteen times more resistant to vibration for durability
• This item is not for sale in Catalina Island

Optima