East Penn Deka Marine Master 821
The East Penn Deka Marine Master 821 is a battery pack with a nominal voltage of 8-VOLT and flooded cells.
Last updated: 10 October 2026
Battery and charging
- Battery weight
- 135
- Voltage
- 8-VOLT
- Chemistry
- flooded
“984 821 530 650 187 177 135 27-1/2 699 7-1/2 191 10-1/2 267 3.0 6 11,17,20,25,T”
Source: eastpennmanufacturing.com/wp-content/uploads/2851-RV-Marine-Master-Spec-Sell-Sheet.pdf
“8-VOLT MARINE HEAVY-DUTY DEEP CYCLE COMMERCIAL 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
Size and fit
- Group the maker sells it as
- 984
“984 821 530 650 187 177 135 27-1/2 699 7-1/2 191 10-1/2 267 3.0 6 11,17,20,25,T”
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
- Archived document
Source: eastpennmanufacturing.com/about/resources/deka-marine-complete-line-brochure-0181-2
Retrieved October 10, 2026