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MARINE/RV  
Untitled Document Interstate Deep Cycle/Cranking - 12 Volt
BCI Grp # Interstate Type RC
(Min.) 25A
Warranty
(Mo.)
Free/Prorate
Hrs. at Ampere Load Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
5 15 25
24M SRM-24 140 30 16.4 4.6 2.3 11 x 6-7/8 x
9-1/2
46 Auto/Stud posts
24M HD24-DP 100 30 11.6 3.2 1.7 11 x 6-7/8 x
9-1/2
41 Auto/Stud posts
27M SRM-27 160 30 17 5.2 2.6 12-3/4 x 6-3/4 x 9-1/2 53 Auto/Stud posts
27M SRM-27B 180 30 20.4 5.7 3.0 12-3/4 x 6-3/4 x 9-1/2 55 Auto/Stud posts
29M SRM-29 210 30 21 6.4 3.4 13 x 6-3/4 x 10 61 Auto/Stud posts
4DM SRM-4D 390 30 38.0 11.5 6.5 21 x 8-1/4 x 10-3/8 119 Auto/Stud posts

Interstate Cranking/Starting - 12 Volt
BCI Grp # Interstate Type RC
(Min.) 25A
Warranty
(Mo.)
Free/Prorate
Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
24M 24M-XHD 135 24 11 x 6-7/8 x 9-1/2 48 Auto/Stud posts
24M 24M-HD 95 24 11 x 6-7/8 x 9-1/2 38 Auto/Stud posts
24M 24M-RD 75 24 11 x 6-7/8 x 9-1/2 35 Auto/Stud posts
27M 27M-XHD 180 24 12-3/4 x 6-3/4 x 9-1/2 54 Auto/Stud posts

Interstate 8 Volt Marine Batteries
Interstate Type Amp Hours RC (Min.) Warranty
(Mo.)
Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
25A 75A
USRM8V19 142 305 92 30 19.25  |  7.50  |  10.75 93 L-shaped bracket w/ hole
USRM8V21 155 330 98 30 21.44  |  7.50  |  10.50 103 L-shaped bracket w/ hole
USRM8V24 190 430 134 30 24.38  |  7.44  |  10.50 118 L-shaped bracket w/ hole
USRM8V26 240 515 145 30 26.75  |  8.44  |  11.12 149 L-shaped bracket w/ hole
USRM8V27 215 445 122 30 27.44  |  7.44  |  10.50 132 L-shaped bracket w/ hole

Optima - Marine/RV
Part # Group CCA MCA RC (Min.)
25A
Warranty (Mo.)
Free/Prorate
Amp Hrs @ 20 Hrs. Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
SC31DM 31 900 1125 155 18/36 75 12-13/16 x 6-1/2 x
9-3/8
59.8 Stud and Auto
SC34DM 34 750 870 120 18/36 55 10 x 6-7/8 x
7-13/16
43.5 Stud and Auto
SC34M 34 800 1000 110 18/36 50 10 x 6-7/8 x
7-13/16
38.4 Stud and Auto

Interstate Deep Cycle/Cranking - 6 Volt
BCI Grp # Interstate Type Amp Hours
@ 20 hrs.
RC
(Min.)
Warranty (Mo.)
Free/Prorate
Hrs. at Ampere Load Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
@ 25A @ 75A 5 amps 15 amps
GC-2 U2200 232 474 122 6 / NA 54.5 14.0 10.25 | 7.12 | 11.12 63 2 options: threaded stud over auto post OR auto post w/ hole
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