Battery at 8v after 2 weeks of sitting
Battery at 8v after 2 weeks of sitting It's a brand new Optima red top with a sticker date of 7/16. My plan was to test the mA draw then remove fuses one by one to find the problem circuit. But when I tested the draw, it was only 0.09mA. That actually seems kind of low considering all the electronics I have. The car is garaged and the temps haven't been particularly cold lately. Any ideas about what could be killing it?
.09 miliamps or .09 Amps? Cause .09mA is almost impossible. The memory circuit in the radio draws more current than that.
If it's .09A you're looking at 90mA, which is exactly why the battery is dying. 30mA is typical drain on a battery, though you don't want anything higher than 50.
If it's .09A you're looking at 90mA, which is exactly why the battery is dying. 30mA is typical drain on a battery, though you don't want anything higher than 50.
.09 miliamps or .09 Amps? Cause .09mA is almost impossible. The memory circuit in the radio draws more current than that.
If it's .09A you're looking at 90mA, which is exactly why the battery is dying. 30mA is typical drain on a battery, though you don't want anything higher than 50.
If it's .09A you're looking at 90mA, which is exactly why the battery is dying. 30mA is typical drain on a battery, though you don't want anything higher than 50.
Checked the volts on the battery again after 6 hours of charging and it's at 8.80v. I hope I don't have a dead cell again.
I exchanged the battery because I had it charging overnight and it was only at 9.6v. Looks like another dead cell. Just replaced the battery in October, had it on my trickle charge from November to the end of February. If this one fails early I'm not giving Optima my business again.
Checked the draw with this new battery, 0.15mA. Also checked with the meter set to amps and it was 0.015A.
Checked the draw with this new battery, 0.15mA. Also checked with the meter set to amps and it was 0.015A.
That sounds more accurate. You have 15mA of draw, not .15. What kind of meter are you using?
Still though, 15 milliamps is well into what's considered "normal". Not sure what's killing cells in your batteries, unless you had a string of bad ones.
Still though, 15 milliamps is well into what's considered "normal". Not sure what's killing cells in your batteries, unless you had a string of bad ones.
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Verdad Gallardo Btw congrats on 500 posts
This battery I'm running now is their last chance.