av8tor
Flight lieutenant
The one with the most toys at the end wins!
Posts: 60
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Post by av8tor on Feb 29, 2008 15:06:20 GMT 1
Folks,
How do you all store your stock batteries. Right after I get back from flying I charge them up and then don't touch them again until the next time I fly (which could be a week or more). Just before heading-out again I throw them on the charger until they indicate fully charged.
Does this make sense? Is this what everyone else does???
Thanks.
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Post by coougarr on Feb 29, 2008 15:20:44 GMT 1
That's what I did when I was using stock batteries. I don't know if it's the best way or not but it worked fine for me. The NiMH do loose charge sitting there so it's good to peak charge them before you fly.
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Post by flydiver on Feb 29, 2008 16:34:52 GMT 1
You have a good method. Depending on age and type they lose ~1-3%/day.
Long term storage should include a discharge-charge cycle about once a month I think. You certainly get various opinions on that one but I've found just leaving them alone for a long time seems not to work very well.
fly
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Post by mararra on Mar 1, 2008 5:07:29 GMT 1
I basically agree with flydiver. How you store them depends on the type of batteries; NiCad, NiMh, or Lipo. They each have somewhat different properties from what I've read. Downloaded a 30 page disertation on battery technology awhile back. Whew! That was way more than I wanted to know. Basically, it seems NiMh and NiCad's are stored fully charged, but tend to bleed off as Flydiver said. Lipo's are stored at about 70%, but hold a charge a lot longer.
M
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andre
Flying officer
Posts: 16
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Post by andre on Mar 2, 2008 12:25:59 GMT 1
Hey there. I'm only new here, but i work in a battery store full time selling all types of batteries, from cars down to watches.
The best way to treat any type of rechargeable battery is to keep is fully charged as much of the time as possible. Ni-CD, Ni-MH, Lithiums, anything....
Once a month or so, let your pack run right down flat, but other than that, keep them fully charged all the time. When they are discharged they begin to break down inside, and build up a resistance to charging.
All batteries will self discharge and for most modern hobby packs, even if they are not being used, give them a top up about once a month.
there are a new breed of Ni-MH's from Sanyo out on the market called Eneloop's. These are a gret new innovation as they hold over 85% of their charge after a whole year! For those of you who are seasonal flyers, these might be a good option.
hopefully that answered a few questions, but no-doubt raised a few more... ask away!
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