48 volt battery

jracer49420 · 10-18-2010, 08:16 AM

When checking my 8 volt batteries with a multi-meter what should it read for a good battery? When I check all 6, one at a time I get a reading of around 8.75. Is that good? I read in one article that they sould read over 9.

scottyb · 10-18-2010, 08:23 AM

print this out for handy reference

OLD MEC · 10-18-2010, 08:47 AM

You are either checking while charging or right after charging to get those readings? I wait at least one hour after charging for batterys to level off before testing, and same with hydrometer tests.

scottyb · 10-18-2010, 08:53 AM

I have found that an hour after the charge the SG and voltage levels are still quite elevated. Batteries easily read over 100% charge voltage-wise. My battery distributor suggests a 12 hour wait for the batteries to settle down to what they are gonna truly retain of the charge... hope this helps.

jracer49420 · 10-18-2010, 09:27 AM

Thanks and yes I was checking them right after the charge was complete.

10-18-2010, 08:16 AM	#1
jracer49420 Not Yet Wild Join Date: Sep 2010 Posts: 4	48 volt battery When checking my 8 volt batteries with a multi-meter what should it read for a good battery? When I check all 6, one at a time I get a reading of around 8.75. Is that good? I read in one article that they sould read over 9.
jracer49420 Not Yet Wild Join Date: Sep 2010 Posts: 4

10-18-2010, 08:47 AM	#3
OLD MEC Gone Wild Join Date: Mar 2009 Location: South Texas Posts: 2,391	Re: 48 volt battery You are either checking while charging or right after charging to get those readings? I wait at least one hour after charging for batterys to level off before testing, and same with hydrometer tests.

10-18-2010, 08:53 AM	#4
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,410	Re: 48 volt battery I have found that an hour after the charge the SG and voltage levels are still quite elevated. Batteries easily read over 100% charge voltage-wise. My battery distributor suggests a 12 hour wait for the batteries to settle down to what they are gonna truly retain of the charge... hope this helps.

10-18-2010, 09:27 AM	#5
jracer49420 Not Yet Wild Join Date: Sep 2010 Posts: 4	Re: 48 volt battery Thanks and yes I was checking them right after the charge was complete.
jracer49420 Not Yet Wild Join Date: Sep 2010 Posts: 4

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