Optima D51
The Optima D51 is a battery pack with a nominal voltage of 12V and AGM cells.
Last updated: 20 October 2026
Battery and charging
- Voltage
- 12V
- Chemistry
- AGM
- Cranking current
- 450
- Capacity, at the 20-hour rate
- 38
- Reserve capacity
- 66
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“powerhouse AGM technologies”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
Size and fit
- Overall dimensions
- 9 5/16" 5 1/16" 8 15/16"
- Terminals
- SAE POST
- Stated weight
- 26
- Group the maker sells it as
- 51
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
Identity
- Model code
- D51
“D51 12V 450 575 66 38 .0046 9 5/16" 5 1/16" 8 15/16" 26 SAE POST 51”
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
Sources
- Archived document
Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf
Retrieved October 14, 2026