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East Penn Deka Intimidator AGM 8A31DTM

The East Penn Deka Intimidator AGM 8A31DTM is a battery pack with a nominal voltage of 12-VOLT and AGM cells.

Last updated: 20 October 2026

Battery and charging

Reserve minutes, at a stated current
210

“31M 8A31DTM 800 1000 105 210 67.5 12-15/16 329 6-3/4 171 9-3/8 238 1.5 12 2,16,17,38,39,44,A”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Battery weight
67.5

“31M 8A31DTM 800 1000 105 210 67.5 12-15/16 329 6-3/4 171 9-3/8 238 1.5 12 2,16,17,38,39,44,A”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Voltage
12-VOLT

“12-VOLT AGM HEAVY-DUTY DEEP CYCLE SERVICE”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Chemistry
AGM

“12-VOLT AGM HEAVY-DUTY DEEP CYCLE SERVICE”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Capacity, at the 20-hour rate
105

“31M 8A31DTM 800 1000 105 210 67.5 12-15/16 329 6-3/4 171 9-3/8 238 1.5 12 2,16,17,38,39,44,A”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Cold cranking amps
800

“31M 8A31DTM 800 1000 105 210 67.5 12-15/16 329 6-3/4 171 9-3/8 238 1.5 12 2,16,17,38,39,44,A”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Size and fit

Overall dimensions
12-15/16 329 6-3/4 171 9-3/8 238

“31M 8A31DTM 800 1000 105 210 67.5 12-15/16 329 6-3/4 171 9-3/8 238 1.5 12 2,16,17,38,39,44,A”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Terminals
Flush Combination terminal w/ 5/16" Stud and SAE post, Hex nuts included

“Flush Combination terminal w/ 5/16" Stud and SAE post, Hex nuts included”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Group the maker sells it as
31M

“31M 8A31DTM 800 1000 105 210 67.5 12-15/16 329 6-3/4 171 9-3/8 238 1.5 12 2,16,17,38,39,44,A”

Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

Sources

  • Archived document

    Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf

    Retrieved October 10, 2026