SMART ELECTRONICS: All Dakota Lithium Batteries include Battery Management System (BMS) technology that controls cell balancing, low and high voltage cutoff, short circuiting, as well as high temperature protection for increased performance and longer life.Dakota Lithium batteries last so long that the price per use is a fraction of traditional batteries. A typical Lead Acid battery only has 500 cycles. BUILT TO LAST: Our LiFePO4 Batteries deliver 2,000+ cycles in recommended conditions.11 YEAR USA WARRANTY: Dakota Lithium’s batteries were born in the rugged landscape of North Dakota and are backed by a “Best in Class” 11 Year Warranty.