batteries

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Tom Thomson
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batteries

Postby Tom Thomson » Sat Jul 24, 2010 1:20 am

A friend of mine is trying to convince me that his lead-acids have a "memory" and need to be periodically discharged completely. Any thoughts?
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GregsGarage
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Re: batteries

Postby GregsGarage » Mon Jul 26, 2010 7:32 pm

Hi Tom,

Seems a bit quiet on the forums, so I will jump in.

I have heard similar things about lead acid batteries, that they need the occasional deep discharge. I can't say if it is true, but as long as you don't over discharge any cell in the pack it is a good opportunity to check the capacity of your pack.
Greg Fordyce

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ChrisB
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Re: batteries

Postby ChrisB » Mon Jul 26, 2010 9:45 pm

Must admit its a new one on me, I've never found Lead Acids having any such issue and I wouldnt ever like to take a Lead Acid down below about 1.8v-1.7v per cell

ChrisB
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suzukishoes
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Re: batteries

Postby suzukishoes » Thu Apr 21, 2011 10:00 am

Yes they do! If I run my G-Wiz for several weeks, doing 3-4 mile runs the overall distance I can travel, should I need a longer run is greatly reduced.

once a week I exercise my batteries by taking a longer run to flatten them off before charging & this aids overall distance.

Lee

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ChrisB
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Re: batteries

Postby ChrisB » Fri Apr 22, 2011 10:46 pm

I wonder if its more the case the charger isnt carrying out a long enough equalisation charge if you just do a few shorter runs, also the chances are if the batteries are charged longer then they will heat up slightly more and thus deliver a bit more power.

I suspect if you warmed the batteries up by an external force then they would do the extra miles similar to giving them a longer discharge followed by a longer charge, Lead acids just cannot suffer from "memory effect " I'm pretty sure their chemical make up wont allow it.

ChrisB
I reject reality and substitute my own !!!!!!


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