Lakeshow94 Posted December 13, 2015 Report Share Posted December 13, 2015 Just picked up a group 31 and 24 north star agm from west marine. They both are resting at 12.6. I understand agm rest around 12.8-12.9. Is it safe to just install them and let the alternator do the charging or can that damage them? Id rather not buy a charger if I don't have to. 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
hdorre Posted December 13, 2015 Report Share Posted December 13, 2015 I killed a voltage regulator like 3 years from throwing in uncharged batteries. On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
Lakeshow94 Posted December 13, 2015 Author Report Share Posted December 13, 2015 Would 12.6 be considered too low? 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
hdorre Posted December 13, 2015 Report Share Posted December 13, 2015 i mean, my batts rest between 12.9 and 13. On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
Lakeshow94 Posted December 13, 2015 Author Report Share Posted December 13, 2015 That's what I'd like to see out of mine. When your regulator went out were your batteries very low or just slightly off like mine? 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
Smoove Posted December 13, 2015 Report Share Posted December 13, 2015 Find a n AGM charger with a desulfation/recovery mode, run them through a cycle in that mode. Then do a surface charge. then through the batts on your system. 2 Team Fi 15's v1 2 DD M5's 970amps of Alt 6th order blowthroughThe truck Blowthrough build : http://www.stevemeadedesigns.com/board/topic/155555-smooves-1996-chevy-ext-cab-c1500-slow-build/The 350z build : http://www.stevemeadedesigns.com/board/topic/170694-smooves-2003-nissan-350z/ My FB page https://www.facebook.com/pages/Smooves-Car-Audio-and-performance/719746144805343 Team Fi Audio http://www.ficaraudio.com/ Link to comment Share on other sites More sharing options...
Lakeshow94 Posted December 13, 2015 Author Report Share Posted December 13, 2015 Is there any you recommend? I've done a little research but haven't gotten many answers. 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
C-Fizzy Posted December 13, 2015 Report Share Posted December 13, 2015 Might as well pick up a charger, you will need one eventually and especially for agm batteries, it's worth to have. under construction I hate People with crappy primered cars rolling on hubcaps that are louder then me. u hate c-fizzy? Link to comment Share on other sites More sharing options...
Lakeshow94 Posted December 13, 2015 Author Report Share Posted December 13, 2015 What should I be looking to spend. http://www.amazon.com/NOCO-G3500-UltraSafe-Battery-Charger/dp/B004LWVEKS/ref=sr_1_2?ie=UTF8&qid=1449984719&sr=8-2&keywords=agm+battery+charger%C2'> this one seemed somewhat cheap although it had decent reviews and specific settings for agm. 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
Lakeshow94 Posted December 13, 2015 Author Report Share Posted December 13, 2015 http://www.amazon.com/NOCO-G3500-UltraSafe-Battery-Charger/dp/B004LWVEKS/ref=sr_1_2?ie=UTF8&qid=1449984719&sr=8-2&keywords=agm+battery+charger 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
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