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OPTIMA® REDTOP® batteries stand ready and waiting to serve. Delivering immense power to the starter in the initial starting phase, REDTOP batteries feature patented SPIRALCELL TECHNOLOGY® and are ideal for applications where starting power is the priority. Commercial agricultural equipment and construction equipment are two markets where OPTIMA REDTOP batteries have become very popular. Of course, they perform great in emergency vehicles, generators and street cars as well. The REDTOP’s extremely low self-discharge rate means you can leave it untouched for extensive periods of time, and it’ll still start your engine. And that can enhance productivity by reducing maintenance times and engine repair costs.

Benefits

  • Lasts up to 3 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 keeps your battery running at the same level even as it’s being discharged
  • 15 times more resistant to vibration than other batteries
  • Nonspillable with complete fitment flexibility; can mount in almost any position.
  • Ideal for seasonal use, fully charged it can remain unused for up to 12 months at room temperature (or below) and still start a vehicle.
Product Voltage (V) Capacity (Ah) Dimension (mm) Weight (kg) Terminal
L W H
RT C 4.2 12 50 254.0 175.0 200.0 17.2 SAE
RT F 4.2 12 50 254.0 185.0 184.0 17.5 GM
RT R 3.7 12 44 237.0 171.0 197.0 14.4 SAE
RT R 4.2 12 50 254.0 175.0 200.0 17.2 SAE
RT S 2.1 6 50 255.0 90.0 206.0 8.4 SAE
RT S 3.7 12 44 237.0 171.0 197.0 14.4 SAE
RT S 4.2 12 50 254.0 175.0 200.0 17.2 SAE
RT U 3.7 12 44 237.0 171.0 197.0 15.0 Dual SAE & GM
RT U 4.2 12 50 254.0 175.0 200.0 17.6 Dual SAE & GM
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