voltage on battery.

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12 Apr 2006 14:22 #39007 by outaline
voltage on battery. was created by outaline
Hi,

I put my battery on a trickle charger and when it was fully charged, the voltage read 12.4 on the multimeter. Now this seems pretty low to me since I have seen other fully charged batteries at 13+.

The reason I am asking is because I think it might effect the results of when I am testing the charginf system on my bike. Under 4000RPM, I am only getting 12.8V across the batteries.

Any thoughts?

Thanks

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  • Duck
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  • e vica na i sau na ga
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12 Apr 2006 15:05 #39018 by Duck
Replied by Duck on topic voltage on battery.
Lead acid battery.
12.6 is correct.
If your meter is $2.99 special from Harbor freight, it could be off 5% high or low, out of the box. Best to do a comparitive measuement with a known good battery if don't know your meter to be close.

-Duck

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13 Apr 2006 12:15 #39237 by ltdrider
Replied by ltdrider on topic voltage on battery.
12.4 on the battery with the motor off sounds right.
When you get the engine up to about 3000 rpm, the voltage should be around 13.5. If its not, then you're not charging. If its much more than 14.5, you're over-charging, and you'll cook your battery.

'76 KZ900 LTD (Blaze)
'96 Voyager XII (Dark Star)
'79 KZ650 Cafe Project (Dirty Kurt)
Greensboro, NC

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