voltage

[youdoofus]

its that time of year again where the temp starts to drop and the voltage at my distro block does the opposite. anyone else up in the northland and notice that their voltage has been better at higher amperage draws? I know that there is a science to this phenomenon, but it just got me curious who else has has this same thing happen

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[THATpurpleKUSH 5,000+ posts]

My theory is that the batteries like the cooler fall weather rather than the sweltering summer heat. 

 

[youdoofus]

My theory is that the batteries like the cooler fall weather rather than the sweltering summer heat. 

thats the prevailing thought. damn science being sciencey and stuff

 

[THATpurpleKUSH 5,000+ posts]

From what I can gather, a battery performs best at room temperature. When you deviate from that, performance is affected. Different battery chemistries react differently but generally speaking cold temperatures increase internal resistance which lowers capacity (struggling sound the car makes when you start it mid January in 0 deg temps. Hot temperatures lower resistance but lead to a shorter battery life. Basically batteries perform best at temps that are comfortable to humans. (60-80 deg F)

 

[Slo_Ride 5,000+ posts]

Hell yeah, y'all scienced the shit outta that.

 

[youdoofus]

Hell yeah, y'all scienced the shit outta that.

 

[youdoofus]

so, it warmed up to 81 today and the voltage is back down LoL

 

[Boominburban 10+ year member]

mine stays mid 15's year round ....

 

[youdoofus]

mine stays mid 15's year round ....

thats not really a fair comparison bro LoL youre running a battery delete and lithiums ?