This is it. The top-of-the-line heavy-duty deep-cycling OPTIMA® YELLOWTOP® S 5.5 battery. Built with SPIRACELL TECHNOLOGY®, this battery is ready to take on whatever you’ve got. And it fights vibration better than any battery out there – it’s up to 15 times more vibration resistant.
OPTIMA's YELLOWTOP lasts up to three times as long as traditional batteries and is guaranteed to deliver uninterrupted power throughout the entire discharge cycle. Its power is cleaner, with higher voltage output than conventional batteries. Its compact design minimizes weight and makes it easier to mount in tight spaces. It’s fully sealed and spill-proof, highly resistant to extremes of temperature and can be stored for long periods. And it’s completely maintenance-free.