Dead Battery issues

[EOD Guy]

I haven't had a single issue with mine. I do know that if they ever go flat, sometimes you have to fool the charger by sistering a charged battery to the flat battery until the charger starts charging etc..... but mine hasn't discharged to a point of no start since I installed it.

 

[ultane]

Yes, usually they do. I have a 5th gen 4runner and put i an AGM. I had to make a mild mod to the fuse box so the alternator would pass through a higher current to keep the battery properly charged up.

Can you tell us how you did that? Pretty please??