Posted by Geo-TH,In on July 11, 2021 at 08:05:28 from (50.102.9.23):
The first 2 pics shows voltage. Does voltage always tell if a battery is good? Does age always tell if a battery good. IMO, it takes the right meter to tell if a battery is good. The meter is a voltmeter and a conductive tester. Conductive tester may not always tell everything. When you are dealing with sealed battery a hydrometer is worthless.
O The pic of the 2017 battery is showing cranking amps. No voltmeter alone can show cranking amps. The 2021 battery has been sitting on my shelf Since March of this year. Never been on a charger The 2017 battery was on a charger for 2 days.
So voltage doesn't always tell you to condition of a battery, especially if you just charged it.
Does age always mean battery is good? Sometimes Everyone needs a battery conductive tester or a load tester. I hope I've shown voltmeter doesn't always work.
BTW, You can take your battery to auto parts store and they can better tell you if you need a battery. As for me I save time and gas by keeping my tester in the truck. The 2021 battery works great. The 2017 is junk.
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