View Full Version : Dual Battery Questions
noose374
07-31-2005, 08:01 PM
The official Dual battery thread was very helpfull. However, I have a Question. I have a cranking battery in my PS190 now. Can I add a deep cycle battery as a second battery and hook the two in parallel? Or do I have to get two deep cycle batteries? Do the two batteries have to be the same brand? Does it matter?
Thanks
Diesel
08-01-2005, 10:48 AM
The official Dual battery thread was very helpfull. However, I have a Question. I have a cranking battery in my PS190 now. Can I add a deep cycle battery as a second battery and hook the two in parallel? Or do I have to get two deep cycle batteries? Do the two batteries have to be the same brand? Does it matter?
Thanks
As long as they are isolated in some way you can use whatever. If the second battery is going to be used for the stereo and will be drained regularly the deep cycle is the better choice.
The batteries only need to be match paired if they are going to be used in a permanent parallel configuration (ie no isolator). Even then there are many conflicting opinions on the longevity of parallel wired matched batteries.
Workin' 4 Toys
08-01-2005, 01:59 PM
The official Dual battery thread was very helpfull. However, I have a Question. I have a cranking battery in my PS190 now. Can I add a deep cycle battery as a second battery and hook the two in parallel? Or do I have to get two deep cycle batteries? Do the two batteries have to be the same brand? Does it matter?
Thanks
If they are isolated from one another, then it doesn't matter.
If you tie them together, yes it does.
noose374
08-02-2005, 12:24 AM
Thanks,
I will be adding a Blue Top Optima and a Borg Warner Relay to to my cranking battery. The optima will be used mainly to run the stereo with two amplifiers.
Diesel
08-02-2005, 10:14 AM
Good choice, you will be happy!! :)