Buying used batteries..Do you?

[Cloud77]

3 things to make sure of when buying used batteries?

I think they are:

Age

Resting V~

Physical condition - includes how you think the battery was treated.

Seems like you could hide facts about all these things; since you can't be sure how long they have been sitting, what abuse the batteries have taken, and how well they were taken care of.

Do you normally go with what you know, and buy a quality battery brand new?

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[TheFiverMan 10+ year member]

Ive sold and bought used batteries a lot of times. you get about 5-8 years out of a AGM if treated right. As long as it passes a load test and a good resting voltage you shouldnt have any worries.

 

[shammyhavik]

What is a good resting voltage for an AGM?

 

[TheFiverMan 10+ year member]

12.6 and up

 

[72Impala 10+ year member]

I buy used sometimes but it's a crap shoot. I need to start load testing. Just checking resting voltage doesn't do much because the guy can charge it up before you meet/they take pictures

 

[Slo_Ride 5,000+ posts]

I've bought plenty of used batts. just as with anything, you have to know what you're doing and who you're dealing with.

 

[Crownvicon28s 10+ year member]

All I buy are used batteries. I have a good battery guy though. He load test every battery he sells right in front of you. My front g31 is a deka and rest at 12.8, the three in the rear are g31 telecom batteries and rest at 13.1

 

[shammyhavik]

is it alright to use an AGM with a little bulge if I can get it back to 12.6?

 

[Cloud77]

I would say no. That is a sign that it is sulfated