Checking battery voltage
#1
Checking battery voltage
Hello longtime member and search this subject.. ok got a 2007 hhr 2.4 motor and had a problem yesterday car would not start it was right around zero degrees.. I went and jump it started up and went to test the volts and it was at 15 to 15.20 .. I thinking it’s a little high but I read don brew post it was normal .. so I shut it off it was at 12.8 then after two hours 11.8 .. no check charging light and while I put on headlights, radio , heater , ac it drop to 14.7 .. so I went to check battery it’s 4 years old and remove the caps and seem low on water on some cells so I put water up to bottom of the.caps .. just wondering if the is battery on the way out ? Also have 161000 miles on the car .. I had another 2007 hhr and alternator went out about 210.000 miles .. just here to pick some Brains to figure this out .. if I buy a new battery just wondering if the alternator charging at that rate will it destroy it or go back down to normal charging.. sorry for the long post
Last edited by hurst2001; 01-30-2022 at 07:25 PM.
#4
#8
well I did add water to it and been starting the car but it’s 4 years old and I’m just going to bite the bullet and by a new one from Walmart everstar which I heard is a great battery at 149.00 $