SPG123
SPG123 HalfDork
4/3/19 4:23 p.m.

For reasons unknown I have been collecting dead car batteries. Sons old truck needs a battery. We checked them with our meter and found from 1 volt to high 10s. The best one is on the charger now. Was 11.7 after about an hour on the charger. Who offers the most for cores? How many volts should a good battery hold?  

pirate
pirate HalfDork
4/3/19 4:53 p.m.

A healthy 12 volt battery should have approximately 12.6 to 12.8 volts fully charged. At 11.75 volts a 12 volt battery is considered dead. Alternator charging rate is approximately 13 to 14 volts.

Indy-Guy
Indy-Guy UberDork
4/3/19 7:18 p.m.

This is relevant to me. I too have a bunch of batteries sitting around. (mostly from lawn tractors)

RealMiniNoMore
RealMiniNoMore PowerDork
4/3/19 8:34 p.m.

I dunno about the other chain FLAPS, but O'Reilly gives $5 (or are they up to $10 now?) gift cards, for each lead acid battery you bring in - even lawn tractor/motorcycle batteries. 

Vigo
Vigo UltimaDork
4/3/19 10:51 p.m.

Auto parts stores give a decent in store credit but actual recycling places pay by the lb and a car battery can be about $10. They are actually worth the most as a core on a new battery (ive seen core charge as much as $22 on a car battery) so make sure and keep one to turn in as 'the' core if you're planning to use this money to buy another battery.

yupididit
yupididit UltraDork
4/3/19 10:54 p.m.

In reply to Vigo :

I know az gives like $10

tux424
tux424 New Reader
4/4/19 9:49 a.m.

Orielly was a $10 gift card last time I turned one in

Professor_Brap
Professor_Brap Dork
4/4/19 9:55 a.m.

Find a local battery refurbisher, my local one gives $15. 

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