Max1636 Posted April 24, 2013 Report Share Posted April 24, 2013 I've recently discovered I'm able to get 16 Volt batteries here in Australia affordably In my new car I'll be getting a Mechman Alternator, how difficult is it to have the set voltage high enough to charge 16 Volt batteries? Is it something I have to pay extra for or can Mechman simply set it that way? To provide electrical to my stock electronics all I need is an XS Power 993 step down module right? What are the advantages/Disadvantages of running a 16 Volt system. The main reason I want to do it is to get more power from my Crescendo BC5500. (Old Car) 1995 Volkswagon Golf MK3 2.0L: Fi SP4 18 On A DC Audio 3.5K In A PWK Box Hertz DSK 6" Speakers, Clarion HU 3x Fullriver 120aH AGM's, 225A Alt 2012 Subaru BRZ: Audison Prima APK 163 Bit One, Rockford Amps, Audison Sub Link to comment Share on other sites More sharing options...
Tarball Posted April 24, 2013 Report Share Posted April 24, 2013 If possible, get a second alt for the 16v batteries and run it isolated from the stock. Step Downs add a complication and a heck of a lot of heat. You will likely need more than 1 step down. You are probably better off just getting a bigger amp than trying to go with 16v batts. edited for bad use of then vs than. CURRENT SYSTEM: Alternator: Stock alt on mids/highs Isolated DC Power 270 SP - Charging @ 16.8v Batteries: (2) XS D1400s Power Cable: Double Runs of 1/0 KNU Kolossus Fleks Headunit: 80-PRS Sub Amp: DC 5.0k Subwoofers: 2 RE MT 15s /PSI dual .7ohm recones Subwoofer Enclosure: 9.1cubes @ 32hz - brutal. Mids & Highs Amp: CT125.4 Active Components: Mids RE XXX 6.5c Highs - 3 RE XXX tweeters per side(A pillar) Noise Control: Damplifier Pro all over the cab. Build Log If you do business with me please leave feedback here: FEEDBACK THREAD Highest Legal Score: 151.0 db Highest Musical 30 Second Average: 151.6 db Link to comment Share on other sites More sharing options...
Emmet Posted April 24, 2013 Report Share Posted April 24, 2013 Like tarball said can you run dual alts? If I was you I'd just run the stock alt at 12v and the mechman at 16v to a bank in the bank. Wouldn't have to use step downs then. i shook this one kids hand and it just folded in mine. long story short i fucked his girlfriendso.. yeah.. You want this to happen to you? Give decent handshakes people. I was gifted with an innate ability to distribute wholesale ass beatings in a timely and orderly fashion. Link to comment Share on other sites More sharing options...
Ben Fultz Posted April 24, 2013 Report Share Posted April 24, 2013 Also something to think about, if step down/downs ever fail your pcm,bcm ect. will fry when they get 18v+ Link to comment Share on other sites More sharing options...
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