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Optima Products

BlueTop Specs

OPTIMA BLUETOP STARTING AND DUAL PURPOSE BATTERIES
MODEL NUMBER
D27M

34M

D34M

D31M
PERFORMANCE
Voltage 12v 12v 12v 12v
Cold Cranking Amps @ 0 F 800 800 750 900
Cranking Amps @ 32 F 1000 1000 870 1125
Reserve Capacity 140 100 120 155
Capacity (C/20 rate) 66 50 55 75
Internal Resistance (ohms) 0.0025 0.003 0.0028 0.0025
PHYSICAL SPECS
Length 12 3/16" 10" 10" 12 13/16"
Width 6 13/16" 6 7/8" 6 7/8" 6 1/2"
Height 8 3/4" 7 13/16" 7 13/16" 9 3/8"
Minimum Weight (lbs) 53.8 38.4 43.5 59.8
Post Type Dual SAE & 5/16
Stainless Stud
Dual SAE & Dual SAE & Dual SAE &
BCI Group 27 5/16" Stainless Stud 5/16" Stainless Stud 5/16" Stainless Stud

Product Spec Sheets

For printable product specification sheets, click on your battery choice below. The printable documents provide information on physical characteristics, performance, power, charging and shipping.

Group D27M BlueTop (1,800 Kb)
Last Modified: April 23, 2009
Summary: Group D27M BlueTop Spec Sheets
Group 34M BlueTop (1,125 Kb)
Last Modified: April 23, 2009
Summary: Group 34M BlueTop Spec Sheets
Group D34M BlueTop (449 Kb)
Last Modified: April 23, 2009
Summary: Group D34M BlueTop Spec Sheet
Group D31M BlueTop (449 Kb)
Last Modified: April 23, 2009
Summary: Group D31M BlueTop Spec Sheet