Does anybody have an easy way to discharge batteries?  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> Does anybody have an easy way to discharge batteries?
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Does anybody have an easy way to discharge batteries? - 7/11/2003 8:40:59 PM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		I know everyone is going to tell me to leave my transmitter and receiver on to discharge my batteries. Is there a good way to discharge NiCads without buying a discharger thats fast and efficient without buying a separate discharger. I have a Hobbico MKII. I don't want to buy another charger to discharge my batteries. Any Ideas?


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Charlie
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Does anybody have an easy way to discharge batteries? - 7/11/2003 9:14:16 PM   
jacs



Posts: 394
Joined: 1/27/2003
From: Uddevalla, SWEDEN
Status: offline 		I discharge mine with an electric engine when I know that my Supernova didn't do the job.


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Jacs

(in reply to charlied123)
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Does anybody have an easy way to discharge batteries? - 7/11/2003 9:40:53 PM   
Greyhawk



Posts: 140
Joined: 6/4/2002
From: Sammamish, WA, USA
Status: offline 		This isn't the best answer because it involves another purchase, but I use the Sirius Super Test. It discharges and shows the capacity for the battery. Pretty good tool.

[URL]http://www.siriuselectronics.com/supr_tst.htm[/URL]

(in reply to charlied123)
       Post #: 3

Is there a good way? - 7/11/2003 11:19:37 PM   
Flying Geezer



Posts: 1031
Joined: 4/12/2003
From: Bowling Green, KY, USA
Status: offline 		No!

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Flying Geezer
Hughes RC

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       Post #: 4

Does anybody have an easy way to discharge batteries? - 7/11/2003 11:49:54 PM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		The sirius tester is a good idea if I didn't already have a hangar 9 expanded voltage meter. Can you use the 250 MAh load on the voltmeter to discharge the battery?


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Charlie

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       Post #: 5

How simple can you get ? - 7/11/2003 11:50:21 PM   
Ugo Ferrari



Posts: 407
Joined: 1/15/2002
From: Ft.Walton Bch.|, FL, USA
Status: offline 		Is this simple enough ?? This is what I use to discharge my flight/Xmtr batts. Use a 12v bulb for the xmtr, and a 4.8v bulb for the Receiver batts. It takes about 45 minutes to pull down a 1200 mill Rec. battery to 2 volts... then recharge.
My Accucycler crapped out years ago and I've been using this system ever since !
All the Electronic Gurus might Flame this...But you wanted CHEAP !!

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Ugo Ferrari
Fort Walton Beach,

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       Post #: 6

Does anybody have an easy way to discharge batteries? - 7/12/2003 12:19:48 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		Why would they flame using a light bulb to discharge? Does it really matter what you use? Thanks.


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Charlie

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       Post #: 7

Does anybody have an easy way to discharge batteries? - 7/12/2003 12:22:46 AM   
JohnnyChemo


 

Posts: 8
Joined: 6/22/2003
From: Wahoo, USA
Status: offline 		I've got a Conquest tx, I can discharge that just by leaving it on.
I discharge my rx by hooking it up to a voltmeter.

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       Post #: 8

Does anybody have an easy way to discharge batteries? - 7/12/2003 12:25:45 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		You could also hook those bulbs into a digital voltmeter to creat a battery tester with a load. Do you know how many milliampload those bulbs create?


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Charlie

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       Post #: 9

Does anybody have an easy way to discharge batteries? - 7/12/2003 12:27:17 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		does it hurt your voltmeter using it to discharge your batteries?


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Charlie

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       Post #: 10

Does anybody have an easy way to discharge batteries? - 7/12/2003 1:34:00 AM   
Ugo Ferrari



Posts: 407
Joined: 1/15/2002
From: Ft.Walton Bch.|, FL, USA
Status: offline 		Charlie, To some of "Big Boys"...If it doesn't have bells and whistles,a digital display, 6 knobs and switches, and cost $150.00, It ain't crap ! Remember K.I.S.S ?


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Ugo Ferrari
Fort Walton Beach,

(in reply to charlied123)
       Post #: 11

Does anybody have an easy way to discharge batteries? - 7/12/2003 2:45:25 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		AMEN to that.

Just because it's a hobby doesn't mean you have to spend a fortune on every item. I'd rather save the money for a new plane. I don't get joy out of spending $60.00 on something that runs down my battery.


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Charlie

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       Post #: 12

Does anybody have an easy way to discharge batteries? - 7/12/2003 5:25:11 AM   
Ross Kean



Posts: 686
Joined: 6/4/2002
From: Fredericton, NB, CANADA
Status: offline 		Why are you concerned about discharging your batteries??? Unless you are using some sort of device to integrate the current over the discharge period to determine the remaining battery capacity, there is little need to discharge batteries at all. The so-called "memory" effect is not a major concern with modern nickel cadmium or nickel metal hydride batteries. On the other hand, if you discharge batteries below a certain point, it is very possible that the battery pack will sustain permanent damage.

Ross

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       Post #: 13

Does anybody have an easy way to discharge batteries? - 7/12/2003 6:03:36 AM   
charlied123



Posts: 125
Joined: 7/2/2003
From: Staten Island, NY, USA
Status: offline 		I guess I'm dating myself but I thought you had to discharge your NiCads, because of memory issues. Am I wrong?


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Charlie

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       Post #: 14

"MEMORY EFFECT" - 7/12/2003 8:44:15 AM