14.4v

[rollin_clean 10+ year member]

ok My amp pushes 800w++ at 14.4 v, but it only pushes 560w at 12.4v. How can i

get my volts to be a 14.4 all the time W-I-T-H-O-U-T replacing the alternator, battery, or any other crap on my car? is this possible?

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[maylar 10+ year member]

Those ratings are with engine running or not running. Battery voltage = 12.6, with engine running the alternator is 14.4. So to answer your uestion... run the engine all the time.

 

[desi_daru 10+ year member]

maylar is exactly correct

i grabbed a voltmetere cause i was curious myself and like he sed 12.x with it off, and 14.x with it running

 

[mtech2 10+ year member]

While the alternator does provide 14.4V if the current draw exceeds the capacity of the alternator the voltage will drop to the battery voltage (hence the dimming of lights) If your current draw exceeds that of your battery and alternator you need a new alt or a cap. A cap will only handle short bursts however, if you are drawing a current which constantly exceeds that of your alternator output + battery(one hell of a system or one crappy charging system) you will need a new alternator ++.