OPTIMA® RedTop TM * Last's up to 2 times longer than other batteries. * More power in the initial 1, 2, 5, and 10 seconds of the starting process than comparably rated conventional lead acid batteries. * Constant performance quality keeping your battery running at the same level even as it's being discharged. * 15 times more resistant to vibration than other batteries. OPTIMA® YellowTop TM * Deep cycling and cranking power all packed into one battery. * Lasts up to 2 times longer than traditional flat-plate batteries. * Constant performance quality, which keeps your battery running at the same level even as it's being discharged. * More power in the initial 1, 3, 5, and 10 seconds of the starting process than comparably rated conventional lead-acid batteries. OPTIMA® BlueTop TM * Starting and dual purpose (starting and deep cycling) models available. * Lasts up to 2 times longer than other batteries. * More power in the inital 1, 2, 5, and 10 seconds of the starting process than comparably rated conventional lead acid batteries. * Constant performance quality keeping your battery running at the same level even as it's being discharged.