Question about hooking up second battery


jpinney0428

CarAudio.com Newbie
Premium Member
Apr 4, 2021
2
0
chicago
So ive just picked up an energie pr4000 to throw in back and I was trying to figure out if i should replace my main battery with a brand new one as well before i wire the second one up? Im getting mixed answers on what to do and figured this would be the best place to go for and answer
thanks in advance
 

marc2112

CarAudio.com Elite
Oct 12, 2012
1,213
202
Montreal, Qc
So ive just picked up an energie pr4000 to throw in back and I was trying to figure out if i should replace my main battery with a brand new one as well before i wire the second one up? Im getting mixed answers on what to do and figured this would be the best place to go for and answer
thanks in advance
If it's not 15 year old and keeps its charge you're good.
 

Bobbytwonames

Angry Old Man
Aug 28, 2018
4,310
170
Vegas
So ive just picked up an energie pr4000 to throw in back and I was trying to figure out if i should replace my main battery with a brand new one as well before i wire the second one up? Im getting mixed answers on what to do and figured this would be the best place to go for and answer
thanks in advance
Is your main battery an AGM or a Lead-Acid?
 

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