The Centennial CB12-115 12V 115Ah Group 31 Sealed Lead Acid AGM Battery is the perfect representation of stable quality and highly reliable batteries. Centennial's AGM sealed construction allows for the battery to provide long life cycles. At the same time, the Centennial AGM batteries are maintenance-free products that require less attention and work from you! With a low pressure venting system, these batteries are a perfect option in standby applications. The ability to deliver high currents without significant drops in voltage is what makes Centennial competitively exclusive in guaranteeing customer satisfaction.