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Old Jun 19, 2001, 11:29 AM
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Ft.Gibson, OK
Joined May 2001
47 Posts
Do you run batteries all the way down after each charge?

Do you run batteries down after each charge or just once in a while? Does it change for different types of batteries or does it matter?
Thanks,
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Old Jun 19, 2001, 11:46 AM
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tyler, texas, united states
Joined Mar 2001
639 Posts
yes. it will keep your packs from developing a memory.


welcome to the zone
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Old Jun 19, 2001, 12:39 PM
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Wakefield, MA
Joined Feb 2001
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Doesn't this depend on what kind of batteries? Nicads should be run down, but NiMh should not. I could be wrong its been known to happen.
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Old Jun 19, 2001, 12:42 PM
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tyler, texas, united states
Joined Mar 2001
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im not familiar wiht nimh batteries. i assumed you were talking about nicads
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Old Jun 20, 2001, 12:50 AM
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Houston/Katy Tx
Joined Feb 2001
75 Posts
Subject is covered plenty in the modeling science section. Many agree that a NiCad(nickle cadmium) battery should be fully discharged(down to one volt)before recharge. NASA discovered the "memory effect" when their NiCads were not exercised. Think of it as a sponge that needs to be squeezed out prior wiping up a spill. Nimh(nickle metal hydride) and Lithium ion chemistries are not as prone to these problems. Bottom line- for E-flight, run your plane 'til it cannot fly. Allow the battery to cool down. Charge your battery and fly again, or store the battery fully charged. Have fun.
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Old Jun 20, 2001, 01:37 AM
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Space Coast
Joined Oct 2000
21,112 Posts
I never run them down other than during flying. I wouldn't worry about a memory effect with the way we use them.
hoppy
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Old Jun 20, 2001, 05:46 AM
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In Heli Wonderland
Joined Aug 1999
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With the new chargers it is not nessesary to run packs to zero after each flight. In fact running packs to zero is what can cause damage, although that is rare now to with the newer cells.

You used to have to run batteries all the way down, just so you knew how much to charge them! Chargers are smarter than us and can charge a dead or half discharged pack now.

Just run as they are and trickle about once a month or so.
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