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Brand new Battery not charging https://www.smwebhead.com/phpBB3/viewtopic.php?f=21&t=14784 |
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Author: | wakevortex [ Thu Apr 21, 2016 12:53 pm ] |
Post subject: | Brand new Battery not charging |
Hi all 2 new batteries... only ever use battery one to run stuff when onboard in marina (while connected to shore power and charging ) Today , disconnected shore power , and GPS showed voltage (battery one) dropping in 30 seconds from 12.9 to 9.9 volts.....alarm from GPS low voltage Shore Power back on..all good.... Battery 2 started engine, battery one wouldn't even turn it over Went for 1 hour run with battery one selected...to try and charge it from alternator battery STILL flat on return to shore Both batteries 1 MONTH old.... how can a battery that new be incapable of charging either from on board charger or when on alternator... Do I have a bad battery? thanks ! |
Author: | rpengr [ Thu Apr 21, 2016 3:30 pm ] |
Post subject: | Re: Brand new Battery not charging |
Sure sounds like a defective battery. Over here, any auto parts store will do a free load test and confirm if it's bad. If you want to test yourself, just check voltage with a meter right at the battery terminals. If the voltage dropped at the battery, then you have eliminated all the connections as the possible problem. |
Author: | deafwish [ Thu Apr 21, 2016 4:18 pm ] |
Post subject: | Re: Brand new Battery not charging |
Are you certain your batt charger's connected corrctly & hasn't blown an inline fuse? Get a multimeter on the batt's terminals while the charger gets turned on. You'll see voltage increase if it's working. |
Author: | wakevortex [ Fri Apr 22, 2016 12:10 am ] |
Post subject: | Re: Brand new Battery not charging |
Thanks....further investigation today ! Pretty poor show if the battery died that quickly after installation ! |
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