East Penn Deka Marine Master DP31DT
The East Penn Deka Marine Master DP31DT is a battery pack with a nominal voltage of 12-VOLT, flooded cells and a weight of 58.5 lb.
Last updated: 2 November 2026
Battery and charging
- Voltage
- 12-VOLT
- Chemistry
- flooded
- Capacity, at the 20-hour rate
- 100
- Reserve capacity
- 190
- Cold cranking amps
- 725
“12-VOLT DEEP CYCLE SERVICE”
Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf
“Every Deka Marine Master flooded battery is made with special features that reinforce it for marine use.”
Source: eastpennmanufacturing.com/about/resources/deka-marine-complete-line-brochure-0181-2
“31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“GROUP NO. PART NO. CCA REF. MCA 20 HR CAP MINS @ 25 A WEIGHT (lb) LENGTH WIDTH HEIGHT Core Value WARRANTY FOOTNOTES in mm in mm in mm FREE MO. 12-VOLT STARTING 24 24M7 800 1000 — 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 24M5 550 675 — 90 37 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 27 27M6 840 1050 — 182 53 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 17,U 12-VOLT DEEP CYCLE SERVICE 24 DP24 575 705 65 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 27 DP27 675 830 80 175 51 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
Size and fit
- Weight
- 58.5 lb
- Length
- 330 mm
- Width
- 171 mm
- Height
- 241 mm
- Terminals
- Flush Combination terminal w/ 5/16” Stud and SAE post, Hex nuts included
- Group the maker sells it as
- 31
“GROUP NO. PART NO. CCA REF. MCA 20 HR CAP MINS @ 25 A WEIGHT (lb) LENGTH WIDTH HEIGHT Core Value WARRANTY FOOTNOTES in mm in mm in mm FREE MO. 12-VOLT STARTING 24 24M7 800 1000 — 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 24M5 550 675 — 90 37 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 27 27M6 840 1050 — 182 53 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 17,U 12-VOLT DEEP CYCLE SERVICE 24 DP24 575 705 65 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 27 DP27 675 830 80 175 51 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“GROUP NO. PART NO. CCA REF. MCA 20 HR CAP MINS @ 25 A WEIGHT (lb) LENGTH WIDTH HEIGHT Core Value WARRANTY FOOTNOTES in mm in mm in mm FREE MO. 12-VOLT STARTING 24 24M7 800 1000 — 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 24M5 550 675 — 90 37 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 27 27M6 840 1050 — 182 53 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 17,U 12-VOLT DEEP CYCLE SERVICE 24 DP24 575 705 65 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 27 DP27 675 830 80 175 51 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“GROUP NO. PART NO. CCA REF. MCA 20 HR CAP MINS @ 25 A WEIGHT (lb) LENGTH WIDTH HEIGHT Core Value WARRANTY FOOTNOTES in mm in mm in mm FREE MO. 12-VOLT STARTING 24 24M7 800 1000 — 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 24M5 550 675 — 90 37 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 27 27M6 840 1050 — 182 53 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 17,U 12-VOLT DEEP CYCLE SERVICE 24 DP24 575 705 65 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 27 DP27 675 830 80 175 51 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“GROUP NO. PART NO. CCA REF. MCA 20 HR CAP MINS @ 25 A WEIGHT (lb) LENGTH WIDTH HEIGHT Core Value WARRANTY FOOTNOTES in mm in mm in mm FREE MO. 12-VOLT STARTING 24 24M7 800 1000 — 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 24M5 550 675 — 90 37 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 17,22,U 27 27M6 840 1050 — 182 53 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 17,U 12-VOLT DEEP CYCLE SERVICE 24 DP24 575 705 65 130 44 10-3/4 273 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 27 DP27 675 830 80 175 51 12-1/2 318 6-3/4 171 9-3/8 238 1.0 12 12,17,44,U 31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“A. Flush Combination terminal w/ 5/16” Stud and SAE post, Hex nuts included”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
“31 DP31DT 725 890 100 190 58.5 13 330 6-3/4 171 9-1/2 241 1.5 12 17,21,22,44,A”
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
Sources
- Archived document
Source: eastpennmanufacturing.com/wp-content/uploads/Marine-Master-Spec-Sheet-2669.pdf
Retrieved November 2, 2026
- Archived document
Source: eastpennmanufacturing.com/about/resources/deka-marine-complete-line-brochure-0181-2
Retrieved October 10, 2026
- Archived document
Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf
Retrieved October 10, 2026