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My Battery Testers Collection
Old 01-24-2015, 01:43 PM   #1
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My Battery Testers Collection

Guess I don't need any more battery testers

Pictures of the ones I have which are most accurate, from left to right.
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File Type: jpg testers.JPG (614.3 KB, 18 views)
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Old 01-24-2015, 02:30 PM   #2
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I have the first one on the left. Is that the most accurate or the least accurate?

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Old 01-24-2015, 02:57 PM   #3
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I have the first one on the left. Is that the most accurate or the least accurate?

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I consider that the most accurate. But it takes a steady hand too as one hand holds down the battery, the other hand a probe.
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Old 01-25-2015, 04:22 PM   #4
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I'd like one of those 12V auto battery load testers (like they use at Autozone and other places to test your battery), but it's hard to justify the cost for something I wouldn't use that often. And I'm not sure how accurate they are. If they work well and identify a failing battery before it leaves you stranded, I can see it being worth it.
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Old 01-25-2015, 04:24 PM   #5
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I'd like one of those 12V auto battery load testers (like they use at Autozone and other places to test your battery), but it's hard to justify the cost for something I wouldn't use that often. And I'm not sure how accurate they are. If they work well and identify a failing battery before it leaves you stranded, I can see it being worth it.
You could probably measure the voltage across the battery terminals while someone else cranks the car's starter motor.

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Old 01-25-2015, 04:51 PM   #6
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I'd like one of those 12V auto battery load testers (like they use at Autozone and other places to test your battery), but it's hard to justify the cost for something I wouldn't use that often.
WV requires an annual safety inspection so during that I ask the shop to do a load test on the battery/charging system. Since the car is already in the shop they only charge ~$3 for the extra test. I guess buying a tester would make sense, paying for it over ten years but by then it'd probably be obsolete.
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Old 01-25-2015, 04:59 PM   #7
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I'd like one of those 12V auto battery load testers (like they use at Autozone and other places to test your battery), but it's hard to justify the cost for something I wouldn't use that often. And I'm not sure how accurate they are. If they work well and identify a failing battery before it leaves you stranded, I can see it being worth it.
This looks to be pretty good ( even if it is HF )

Digital Automotive Battery Analyzer
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Old 01-25-2015, 08:11 PM   #8
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This looks to be pretty good ( even if it is HF )

Digital Automotive Battery Analyzer
Yes, that is exactly what I was thinking of. I already check the battery with a multimeter after letting it sit several hours after a full charge. Still not sure I need another tool I won't use that much!
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Old 01-25-2015, 08:40 PM   #9
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The quick-change oil places will do a battery load test for you - they never charge me (they hope to sell a battery). The real mechanic I last went to for oil change and tire rotation did a battery load test w/o asking. Same thing, they hope to sell you a battery.

It's a good check, when they've told me my battery is marginal, I've noticed that it has been cranking a little slower than usual. But then I go check prices at Costco, Walmart, etc - then change it myself.

-ERD50
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Old 01-26-2015, 09:41 AM   #10
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This looks to be pretty good ( even if it is HF )

Digital Automotive Battery Analyzer
Someone has a demonstration of this tester on Youtube...

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