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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.

Benefits

  • Deep cycling and cranking power all packed into one battery.
  • Lasts up to 3 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.
  • Ideal for seasonal use, fully charged it can sit unused for up to 12 months at room temperature (or below) and still start a vehicle.
  • 15 times more resistant to vibration than traditional lead-acid batteries.
Product Voltage (V) Capacity (Ah) Dimension (mm) Weight (kg) Terminal
20Hr L W H
YT R 2.7 12 38 237.0 129.0 227.0 11.8 SAE and Jap
YT R 3.7 12 48 237.0 172.0 197.0 16.6 SAE
YT R 5.0 12 66 309.0 172.0 219.0 20.6 SAE
YT S 2.1 12 55 255.0 90.0 206.0 9.5 SAE
YT S 2.7 12 66 237.0 129.0 227.0 11.8 SAE and Jap
YT S 4.2 12 55 254.0 175.0 200.0 19.5 SAE
YT S 5.5 12 75 325.0 165.0 238.0 26.5 SAE
YT U 4.2 12 55 254.0 175.0 200.0 19.9 Dual SAE and GM
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