Masterbasser Posted April 20, 2017 Report Share Posted April 20, 2017 I have 3 agm group 31s and there ok its just their so damn heavy I calculated some stuff out and came to the conclusion I have around 800 lbs of stereo stuff in my car. I'm thinking about going for a lithium battery.... I have no idea how they compare to agms though I had talked to a guy from xs power at slamology last year about it and didn't really come away from the conversation with any solid knowledge If I have a 80 ah lithium battery.... how many group 31 agms would that compare to? I have also though about running a couple banks of supercaps but don't understand the role they should fill in a setup either Kenwood excelon ddx795 3 370 amp CES alternators (audio side only) McLaren dome tweeters Crescendo 6.5 ultra neos NVX JAD800.4 4 PA x4 SPL 18's 4 Digital Designs m5's at .7 ohms each 2 K2 80 ah lithiums 3 group 31 agms Ledglow million color (12 piece) 2007 Yukon xl Link to comment Share on other sites More sharing options...
hdorre Posted April 20, 2017 Report Share Posted April 20, 2017 8 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...
BassMunky Posted April 21, 2017 Report Share Posted April 21, 2017 do a test someone thanks Shakin not Stirred....my buildhttp://www.stevemead...ngle-cab-build/412 CVX And put a sealed enclosure in your trunk cut a hole in your deck and call it ported Link to comment Share on other sites More sharing options...
Masterbasser Posted April 21, 2017 Author Report Share Posted April 21, 2017 how long do lithiums last? I know car batteries are only good for a few years or so, what about a lithium? Kenwood excelon ddx795 3 370 amp CES alternators (audio side only) McLaren dome tweeters Crescendo 6.5 ultra neos NVX JAD800.4 4 PA x4 SPL 18's 4 Digital Designs m5's at .7 ohms each 2 K2 80 ah lithiums 3 group 31 agms Ledglow million color (12 piece) 2007 Yukon xl Link to comment Share on other sites More sharing options...
Kyblack76 Posted April 21, 2017 Report Share Posted April 21, 2017 I don't think longevity is a issue bro. Hell I've seen conventional bats shit the bed after a few years even. I like your thinking of JY. If,.. Let's say WHEN I do lithium, yuey and trav is exactly who I'd speak to SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold Link to comment Share on other sites More sharing options...
BassMunky Posted May 26, 2017 Report Share Posted May 26, 2017 moreeeeeee Shakin not Stirred....my buildhttp://www.stevemead...ngle-cab-build/412 CVX And put a sealed enclosure in your trunk cut a hole in your deck and call it ported Link to comment Share on other sites More sharing options...
WalledSonic Posted May 26, 2017 Report Share Posted May 26, 2017 Theres quite a few useful threads in here about lithium that have a ton of great input. Chevy Sonic Wall (4) 15's on 10k Build Log https://www.stevemeadedesigns.com/board/topic/209412-2015-chevy-sonicwall4-15s10klithiumlarge-case-hairpin-us-alts/ (4) Fi SP4 15's | (2) Ampere 5Ks | Active! | Arc KS600.2 & KS125.2mini | CDT Silk Domes | Silver Flute 8s | 240Ah JY | US Alts Jeep Wrangler JK (4) 8's in a 4th Order Build Log https://www.stevemeadedesigns.com/board/topic/209841-shadow-2016-jeep-wrangler-jk4th-order4-8sdc-35klarge-case-hairpin-us-alts/ IG @walledsonic Link to comment Share on other sites More sharing options...
Masterbasser Posted May 28, 2017 Author Report Share Posted May 28, 2017 so I pulled 1 group 31 agm and installed 1 79 ah lithium battery. results were pretty staggering. I had 2 digital design m5s at 1 ohm each on mechman 320 2 group 31 agms and 79 ah lithium. it was really holding voltage above 13 great.it took me a long time at idle to get under 13 and down to 12.3-12.5 area id have to say lithiums are pretty badass. got another on the way! Kenwood excelon ddx795 3 370 amp CES alternators (audio side only) McLaren dome tweeters Crescendo 6.5 ultra neos NVX JAD800.4 4 PA x4 SPL 18's 4 Digital Designs m5's at .7 ohms each 2 K2 80 ah lithiums 3 group 31 agms Ledglow million color (12 piece) 2007 Yukon xl Link to comment Share on other sites More sharing options...
Wishuponasub Posted May 28, 2017 Report Share Posted May 28, 2017 1 hour ago, Masterbasser said: so I pulled 1 group 31 agm and installed 1 79 ah lithium battery. results were pretty staggering. I had 2 digital design m5s at 1 ohm each on mechman 320 2 group 31 agms and 79 ah lithium. it was really holding voltage above 13 great.it took me a long time at idle to get under 13 and down to 12.3-12.5 area id have to say lithiums are pretty badass. got another on the way! Jy? Sitting around waiting to be installed: 4 FI X 10 270 CES alt D3400/73ah lithium AA 3800.1 (2) AA 75.4 Link to comment Share on other sites More sharing options...
Karkov Posted May 28, 2017 Report Share Posted May 28, 2017 Google JY Lithium (or look on Facebook) OP: what would voltage do before the swap?? 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0 Link to comment Share on other sites More sharing options...
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