• Popular group 31 size fits most commercial truck applications
• Deep-pocket envelope separators protect plates from shorts and extends battery life
• Full-frame positive negative plates direct all of the available cranking power to the terminals
• Anchor lock elements secured to the bottom of the case resist the damaging effects of pounding vibration and extend battery life
• Maintenance-free flush covers for easy installation, replacement, and cleaning

Demanding commercial equipment requires nothing less than the most powerful, reliable batteries. This complete line of the toughest commercial product is specially engineered for durability while meeting high power ratings for heavy-duty engines.