Theoretically you should be able to draw 3.5 amps for 1 hour from a 3.5aH battery. I'm guessing the actual performance might be somewhat less.
Need help with battery draw question
Ok I have a stereo amp that is drawing between 3.5 -5.0 amps running 7 speakers totaling around 65 watts. I just tried a 12 volt 3amp 6800maH battery and it kept shutting down(battery had built in protection circuit.
So now I am looking at SLA batteries, mainly 12v 3aH battery as its dimensions fit in my speaker well. I will run two of these parallel. My problem is most of these SLA batteries do not show what the current draw is , so I am not sure if my amp will be drawing too much current or does that matter? if I am drawing 3.5 amps from a 3.5 aH battery does that give me roughly an hour to run?
Similar Threads:
Re: Need help with battery draw question
Theoretically you should be able to draw 3.5 amps for 1 hour from a 3.5aH battery. I'm guessing the actual performance might be somewhat less.
Jim Dawson
Sandy, Oregon, USA
Re: Need help with battery draw question
Thanx , Jim, think I got it figured out, found this great calculator if anyone is interested
https://www.batterystuff.com/kb/tool...to-a-load.html
Re: Need help with battery draw question
Originally Posted by ZipSnipe
Very cool! Thank you
Jim Dawson
Sandy, Oregon, USA
