Battery charger voltage, is this normal?

Joined
Nov 19, 2022
Messages
1
Hi everyone!
I bought a car battery charger and plugged it on my car battery to test it (normal battery not AGM). my battery was probably already fully charged because I drove with my car just before using the charger. So this happened: the voltage on the charger started at around 12v? (not sure exactly... maybe a bit lower) and then slowly went up to 15.8v in about 5 minutes then I unplugged it because I wasnt sure if that is normal, I never charged a car battery before.

Is it normal that the voltage went that high and how high is it supposed to go?
 
Joined
Sep 7, 2021
Messages
187
Does the charger come with a user’s manual? If yes, what does it say? If it is a smart charger like CTEK then it is normal. Again, check your user’s manual.
 

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