The NorthStar AGM Battery + Voltage Booster Upgrade

Doesn't work with 2nd Gen Taco. I purchased 2 of them to mod to work, ended up giving to locals to try in FJ Cruiser and 3rd Gen Taco...

 

Oh yeah I didnt even think about that, the ALT-S fuse is over on the edge of our fuse boxes isnt it

 

Though nice form and a switch I think I will stay with my original for the price.

 

Just took one of my x2power batteries back to the store I purchased, I am thinking there is some sort of internal short as it is depleting very fast from 12.8v to 12.4 in six hours. Good thing I found this before my death valley trip in a few weeks.

 

They replaced the battery, now I am rethinking the diode or anything that drives up the charge voltage, on a long drive I would like to turn off the 14.4v charge after 30 minutes and then just float it at the lower voltage. Given the heat and long duration with the battery monitor I see it go down to 14.1v but if I could go to 13.6 or 13.5 as the longer duration charge I think it would prolong the battery life

 

AGM batteries specifically need to be charged at a slightly higher voltage. This is a random article (from a battery manufacturer) that gives you a rough idea. I would be hesitant to believe that the boosted voltage caused issues for you.
https://www.centurybatteries.com.au...alk/issue-2-battery-talk-battery-charging.pdf

 

But do they like to be charged at that higher voltage all the time?

 

All depends. Mine was pegged @ 14.8V but it was -30+ this morning . When it’s cold like that it takes a while before levelin’ off.

 

Yeah, the charging voltage should drop off as the truck warms up. The idea being when you first start the vehicle the voltage is a bit higher. Aka its in that 1st phase which tops off the battery after some of the charge was used to crank the engine over. As it warms up it drops into that lower voltage range more of a float mode

 

That’s the one I ended up with.

 

Made in the ??? And how long to get?

 

My thought was to switch to a float voltage after a specified amount of time, to not keep charging at 14+v

 

Just a walk to Batteries Plus, 3yrs ago..
Made in USA. is what the label says.

 

I guess I was looking at the fuse being much of the post are on regulating the charging voltage but yes good batteries, just had mine replaced, but it was probably my fault that it died, may have run it a little too low a few times.

 

Its the fixed voltage, from HBK Electronics in Australia

 

The OP is gospel when it comes to most everything people have been worried about / discussing / debating these past few.

MY 05-15
HK Fixed voltage booster
AGM 27F Northstar or in rebranded Batteries Plus flavor of X2 Power

 

Anyone got a link to the GM diode on Amazon?

 

This one?

$17 Littelfuse 02400104P 1A Mini Diode Automotive Fuse-4Pack

https://www.amazon.com/Littelfuse-0...1&sprefix=fuse%20blade%20diode,aps,187&sr=8-3

 

Thanks, hoping I can find a source for a single diode. Don’t need 4.