# Battery? **URL:** \ **Category:** NEV & LSV Forum\ **Created:** [February 22, 2013, 1:43pm UTC](https://community.electricforum.com/t/battery/3121 "2013-02-22T13:43:26Z")\ **Posts on this page:** 14\ **Page:** 1
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 22, 2013, 1:43pm UTC](https://community.electricforum.com/t/battery/3121/1 "2013-02-22T13:43:26Z")
on i have a 2009 GEmM and the battery that came in it was the EV31 flooded battery… so one of my abtterys went bad and i have found one that might be close … cant replace all of them right now and the rest of them tested all at 90% or better… ok the battery that came in it has the markings of EV 31 MINS @ 25 AMPS 210 the battery that i found has the markings of 555 CCA @ 0F 690 MCA @ 32F 185 RC are these two any where close ---
**Author:** ![LuvMyTJ](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/luvmytj/32/537_2.png) [@LuvMyTJ](https://community.electricforum.com/u/LuvMyTJ)\ **Post date:** [February 22, 2013, 3:21pm UTC](https://community.electricforum.com/t/battery/3121/2 "2013-02-22T15:21:47Z")
What is the group number of the battery you are looking at? If you are replacing anything less than the entire pack you will need to get the same group number. ---
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 22, 2013, 8:16pm UTC](https://community.electricforum.com/t/battery/3121/3 "2013-02-22T20:16:02Z")
Its also a 31 …im just not sure what all the numbers are. …I k ow it will work but was sure wondering if they were close ---
**Author:** ![LuvMyTJ](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/luvmytj/32/537_2.png) [@LuvMyTJ](https://community.electricforum.com/u/LuvMyTJ)\ **Post date:** [February 22, 2013, 8:19pm UTC](https://community.electricforum.com/t/battery/3121/4 "2013-02-22T20:19:33Z")
Got a link to the battery in question? ---
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 22, 2013, 9:41pm UTC](https://community.electricforum.com/t/battery/3121/5 "2013-02-22T21:41:28Z")
I will try and find one and post it ---
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 26, 2013, 6:08am UTC](https://community.electricforum.com/t/battery/3121/6 "2013-02-26T06:08:15Z")
[Super Start® Marine 31DCM - Deep Cycle Battery | O’Reilly Auto Parts](http://www.oreillyauto.com/site/c/detail/SSB2/31DCM/N0369.oap?ck=Search_N0369_-1_-1&pt=N0369&ppt=C0327) see if this will get you to it … if not here a re the specs … Super Start® Marine - Deep Cycle Battery Part Number: 31DCM Line: SSB 1 year limited warranty •UPC: 83996011076 •12 Volt •Cold Cranking Amps: 555 •Cranking Amps: 690 •Reserve Capacity: 210 Minutes Detailed Description 20 Amp Hour Rate (Ah): 105Ah Battery Type: Deep Cycle Cold Cranking Amps (CCA): 555 CCA Cranking Amps (CA): 690 CA Group Size (BCI): 31 Height (In): 9-1/2 Inch Length (In): 13 Inch Marine Cranking Amps (CA): 690 CA Reserve Capacity (Min): 210 Minute Reserve Capacity At 23 Amps (min): 225 Minute Reserve Capacity At 25 Amps (Min): 185 Minute Voltage (V): 12 Volt Width (In): 6-3/4 Inch Manufacturer Information Starting Power, Starting Performance, Starting Reliability. Count on Super Start Batteries to start your car, truck or boat time and time again. Super Start offers proven technology, improved starting reliability, and extended service life to provide unmatched performance for today’s vehicles. And, with a nationwide warranty (up to 60 months depending on product type) and free replacement (up to 3 years depending on product type), you can rest assured that your Super Start battery will keep you on the road. ---
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 27, 2013, 1:22pm UTC](https://community.electricforum.com/t/battery/3121/7 "2013-02-27T13:22:49Z")
i also found this battery… it is also a flooded battery this looks alot better than the stock battery…it is also a 31 SPECIFICATIONS: LENGTH: 13-1/8" (333 mm) WIDTH: 7-1/16" (179 mm) HEIGHT: 11-3/8" (289 mm) AMP HOURS & CAPACITY: 12 Volts Amp Hours (20 Hr Rate): 155 Minutes @ 75 Amps: 77 Mins. Minutes @ 25 Amps: 292 Mins. i can get this battery for just under 200.00 ---
**Author:** ![chuckkent](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/chuckkent/32/536_2.png) [@chuckkent](https://community.electricforum.com/u/chuckkent)\ **Post date:** [February 27, 2013, 4:14pm UTC](https://community.electricforum.com/t/battery/3121/8 "2013-02-27T16:14:29Z")
Sam’s has a standard GC12V bat. for 184.00 150 AH. that will fit. (same as Deka) It’s about the most powerful battery for it’s size. It’s a bruiser weighs 90#. ---
**Author:** ![LuvMyTJ](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/luvmytj/32/537_2.png) [@LuvMyTJ](https://community.electricforum.com/u/LuvMyTJ)\ **Post date:** [February 27, 2013, 5:24pm UTC](https://community.electricforum.com/t/battery/3121/9 "2013-02-27T17:24:28Z")
CG batts are the best choice. $184 is a decent price. ---
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 27, 2013, 8:20pm UTC](https://community.electricforum.com/t/battery/3121/10 "2013-02-27T20:20:40Z")
[QUOTE=chuckkent;14213]Sam’s has a standard GC12V bat. for 184.00 150 AH. that will fit. (same as Deka) It’s about the most powerful battery for it’s size. It’s a bruiser weighs 90#.[/QUOTE] But is it a flooded or a AGM battery? ---
**Author:** ![nosgsxr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/nosgsxr/32/538_2.png) [@nosgsxr](https://community.electricforum.com/u/nosgsxr)\ **Post date:** [February 27, 2013, 8:33pm UTC](https://community.electricforum.com/t/battery/3121/11 "2013-02-27T20:33:12Z")
Of course it looks like that battery is not available in Arkansas…WTF!!! ---
**Author:** ![chuckkent](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/chuckkent/32/536_2.png) [@chuckkent](https://community.electricforum.com/u/chuckkent)\ **Post date:** [February 27, 2013, 8:54pm UTC](https://community.electricforum.com/t/battery/3121/12 "2013-02-27T20:54:35Z")
Flooded cells. Get them to order from another store for free… They are 75 amps for 77 minutes. I like the flooded cells cause you can top them up and check the SG. to trouble shoot if need be. They will credit the $15 core charge for any auto battery trade in. And give you same as cash for six months on the SAMs card. What a deal!!! ha… ---
**Author:** ![bob.peloquin](https://avatars.discourse-cdn.com/v4/letter/b/ec9cab/32.png) [@bob.peloquin](https://community.electricforum.com/u/bob.peloquin)\ **Post date:** [March 5, 2013, 6:16pm UTC](https://community.electricforum.com/t/battery/3121/13 "2013-03-05T18:16:53Z")
Because of the way series-connected batteries charge and discharge you must replace a failed battery with one of the exact amp-hour capacity and construction as the others in the series string. If, for example, you were to replace a 105 amp-hour group 30H battery with a 115 amp-hour group-31 deep cycle you would constantly be undercharging the new battery. If you put a group-27 battery in there you would overcharge it and it would be dead before the others during discharge. Rule of thumb is to always put in an identical replacement battery unless you’re replacing the whole string at once. Bob in MA - '02 GEM eL with Exide Nautilus Deep-Cycle flooded cells ---
**Author:** ![chuckkent](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/chuckkent/32/536_2.png) [@chuckkent](https://community.electricforum.com/u/chuckkent)\ **Post date:** [March 6, 2013, 7:56am UTC](https://community.electricforum.com/t/battery/3121/14 "2013-03-06T07:56:17Z")
Not to be redundant…but Bob is exactly correct. Same exact size is crucial when replacing less than the whole string!!!