Interstate Batteries
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MARINE/RV  
Untitled Document Interstate Deep Cycle/Cranking - 12 Volt
BCI Grp # Interstate Type CCA
MCA
RC
(Min.) 25A
Warranty
(Mo.)
Hrs. at Ampere Load Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
5 15 25
24M SRM-24 550 690 140 30 16.4 4.6 2.3 11
6-7/8 9-1/2 46 Auto/Stud posts
24M HD24-DP 405 505 100 30 11.6 3.2 1.7 11 6-7/8  9-1/2 41 Auto/Stud posts
27M SRM-27 600 750 160 30 17 5.2 2.6

12-3/4

6-3/4 9-1/2 53 Auto/Stud posts
27M SRM-27B 675 845 180 30 20.4 5.7 3.0 12-3/4 6-3/4 9-1/2 55 Auto/Stud posts
29M SRM-29 675 845 210 30 21 6.4 3.4 13 6-3/4 10 61 Auto/Stud posts
4DM SRM-4D 1314 1645 390 30 38.0 11.5 6.5 21 8-1/4 10-3/8 119 Auto/Stud posts

Interstate Cranking/Starting - 12 Volt

BCI Grp # Interstate Type CCA MCA RC
(Min.) 25A
Warranty
(Mo.)
Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
24M 24M-XHD 800 1000 135 24
11
6-7/8 9-1/2 48 Auto/Stud posts
24M 24M-HD 500 625 95 24
11
6-7/8 9-1/2 38 Auto/Stud posts
24M 24M-RD 400 500 75 24
11
6-7/8 9-1/2 35 Auto/Stud posts
27M 27M-XHD 800 1000 180 24 12-3/4 6-3/4 9-1/2 54 Auto/Stud posts

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
6-1/2 9-3/8 59.8 Stud and Auto
SC34DM 34 750 870 120 18/36 55 10 6-7/8 7-13/16 43.5 Stud and Auto
SC34M 34 800 1000 110 18/36 50 10 6-7/8 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.) Hrs. at Ampere Load Dimensions (in.)
L | W | H
Weight
(lbs)
Terminal
@ 25A @ 75A 5 amps 15 amps
GC-2 GC2-XHD 232 474 122 6 54.5 14.0 10-1/4  7-1/8 11-1/4 62 2 options: threaded stud over auto post OR auto post w/ hole
Battery Information