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Optima D75/25

The Optima D75/25 is a battery pack with a nominal voltage of 12V and AGM cells.

Last updated: 15 October 2026

Battery and charging

Voltage
12V

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Chemistry
AGM

“powerhouse AGM technologies”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Cranking current
620

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Capacity, at the 20-hour rate
48

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Reserve capacity
100

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Size and fit

Overall dimensions
9 3/8" 6 13/16" 7 3/4"

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Terminals
DUAL SAE/GM

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Stated weight
37.8

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Group the maker sells it as
75/25

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

Source: cdnrg.com/s4x-files/resources/optima-brochure.pdf

Identity

Model code
D75/25

“D75/25 12V 620 770 100 48 .0030 9 3/8" 6 13/16" 7 3/4" 37.8 DUAL SAE/GM 75/25”

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