Yes, the warranty does not cover batteries that have been subjected to the following conditions:

• Damage due to being unsecured or insufficiently secured.
• Improper installation, use, maintenance, or service.
• Loose battery terminal connections.
• Connecting more than 4 batteries in series (above 48V).
• Reverse polarity connections.
• Inappropriate storage conditions, including exposure to extreme ambient temperatures above 140°F or below -40°F, fire, or water submersion, and storing the battery in a completely discharged state.
• Any short circuit caused by accidental, intentional, or inadvertent connection of the positive and negative terminals.
• Damage caused by impact, accident, collision, or drop.
• Under/overcharging the battery as defined in its respective Battery Owner’s Manual.
• Use with other third-party products that fail.
• High resistance due to corroded terminals, poor crimps, or insufficient cable size.
• Failure due to a faulty electrical system.
• Batteries that have been opened, modified, or tampered with in any way.
• Use in applications other than those for which the battery was designed and intended, including repeated engine starting or drawing more amps than the battery is rated to continually discharge.
• Batteries that have not been charged for over one year.
• Use in commercial applications where the battery is cycled to more than 80% depth of discharge repeatedly within 24-hour periods.