Is 18 Volt Good For Everyday

[doubleD]

is it ok for an every day driver to use 18 volt just on the subs,,, can you have 18 volt , with 18 volt batts an a 14 volt alt

[Rose-Villian]

is it ok for an every day driver to use 18 volt just on the subs,,, can you have 18 volt , with 18 volt batts an a 14 volt alt

nope

[doubleD]

please need more than that,,, fill me in ,,, why

[zfrerichs]

you need an 18v alt to charge the batts bro

[kirill007]

No you need an 18 volt alt for the 18v batterries, then you need an second (12volt) alt for you're 12v batteries to run the car.

[Dan.]

My daily system will be 14 volt batts (16.5 volt charge) this means I should never get dangerously low voltage for my amps and obviously I gain more power. I wouldn't go to 16V batts as that is starting to push things as they would require a little over over 19 volts to charge.

My car however is old hand has little in the way of electricals (no ecu etc) in a more modern vehicle it would require a lot more work and expense to be safe i.e seperate bank of batts and a regulator or dual alts so the car stays on a normal 12 system.

I would always try and have a rock solid power supply but modern vehicles make things a little harder for most people a good 12V/14.4 volt system will suffice, ie just high output alt and battery bank.

[Boon]

My daily system will be 14 volt batts (16.5 volt charge) this means I should never get dangerously low voltage for my amps and obviously I gain more power. I wouldn't go to 16V batts as that is starting to push things as they would require a little over over 19 volts to charge.

My car however is old hand has little in the way of electricals (no ecu etc) in a more modern vehicle it would require a lot more work and expense to be safe i.e seperate bank of batts and a regulator or dual alts so the car stays on a normal 12 system.

I would always try and have a rock solid power supply but modern vehicles make things a little harder for most people a good 12V/14.4 volt system will suffice, ie just high output alt and battery bank.

Using 2v forklift cells in series to get 14v? Just wondering

[brewer_brewer]

if you run a 18 volt system you will see about 19+ volts with the alternator.

it will fry small electronics in your car (headunit, window regulator, gauge lights)

what you could do is run 18 volt system but then everything electrical on the car except your amp you can use a voltage regulator and give them 14.5 volts.

16 volt batteries will need at least a 17.5 volt charge. thats minimum.

[Dan.]

Using 2v forklift cells in series to get 14v? Just wondering

I am using enersys powersafe batteries throughout (6V cells & 2V cells)

[Dan.]

16 volt batteries will need at least a 17.5 volt charge. thats minimum.

They wont get a charge from that 2.19v per cell is only enough for a trickle maintenance charge, to put charge into the bats you need 2.35v-2.45 per cell (note at 2.45 you will start to shorten the batteries live 2.4 is ideal imo)