crx Posted August 12, 2017 Report Share Posted August 12, 2017 hello.. New to this.. i have a 88 honda crx.. i have a 3000 watt amp running 1 12" db sub and have a 1000amp power inverter for my xbox, 42" tv and 2 7" monitors.. i have my stereo hooked up to my small honda battery and have to run the car or else it dies in 20 min..my tv, xbox and 2 monitors i have an external battery from my work truck not hooked up to any power supply to the car and it lasts 2 hours .. how can i run everything together?.. at car shows mostly tv ect is on and car is not running.. would like to get 4-5 hours out of a battery if that is possible with out starting the car.. thanks so much for your help in advance Link to comment Share on other sites More sharing options...
WalledSonic Posted August 12, 2017 Report Share Posted August 12, 2017 Im jealous of your 88 crx. I would track it if i had one haha. You could invest in lithium battery to save on weight. Thats a small car to add a lot of battery. EDIT: since you made no mention, i'll assume you havent upgraded your alternator yet? Step #1, get the largest alt you can. 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...
crx Posted August 12, 2017 Author Report Share Posted August 12, 2017 hi WalledSonic, thx for your reply.. i was informed by an alternator rebuilding shop that they could not rebuild the alternator to carry more current or carry a bigger alternator for the crx Link to comment Share on other sites More sharing options...
crx Posted August 12, 2017 Author Report Share Posted August 12, 2017 just found alternator on ebay.. 135 amps 0r 170 amps to do this project? Link to comment Share on other sites More sharing options...
MrSkippyJ Posted August 12, 2017 Report Share Posted August 12, 2017 Not sure how am alternator is gonna help if the car is off. You need a battery bank that is separated from the rest of the system and the ability to charge it from an external source. Also don't buy eBay alts. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
crx Posted August 12, 2017 Author Report Share Posted August 12, 2017 Thx Mr SkippyJ. what do you suggest for a separate battery bank, size and brand names?. if i can get it to run for 5 hours i can charge it at home after the show with a battery charger Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted August 12, 2017 Report Share Posted August 12, 2017 Ever think about a small generator? Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
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