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Just pick up new battery for my Truck , old one was almost 5 years old , The shop checked the chargeing system ect. But when I checked the battery voltage this morning it was only 12.33 ??? should it not be at least 12.65 or so , my boat batteries after charging are 12.70 or better , even after sitting over night ????
Your truck battery should be about 12.6 volts when fully charged. Sounds like your battery is about 70-80% charged. Did you drive it far enough to charge it up? Deep Cell batteries read higher - 12.7 or so, and AGM is even higher. The shop may not have charged it up.
Update ! drove truck about 15 miles and put a 6 amp charger on it for about 5 hours. Check it this morning 12.48 , Better than 12.33 , So I put the 6 amp charger back on it , will leave it on at least 10 hours , ??????
Up date on the Up date , after taking the charger off the battery (10 hrs) and letting it set for 10 hours , 12.82 by my meter Soooooooooooo looks like the shop did not charge battery be for installing in truck ! Thanks to all for input.
Just bought a new start battery for the boat. Put my 5 amp charger on it and it only showed 50% charge. I let it charge till full.
I don't think new bats come fully charged.
New batteries SHOULD be nearly fully charged. A low battery indicates it has been sitting on the shelf for too long.
10 4 on that , it does have a 3 yr free replacement LOL, I am not going to tell you its a Interstate !! I'll get beat up to much about what a piece they are . LOL
It should have a date sticker on itQuote:
Originally Posted by CatFan