RE: MRC Super Brain 989  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> MRC Charger Product Support (i.e. Super Brain, etc) >> RE: MRC Super Brain 989
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RE: MRC Super Brain 989 - 3/18/2008 2:34:18 PM   
Tim@MRC


 

Posts: 311
Joined: 7/24/2006
From: Edison, NJ, USA
Status: offline 		You can send in the power supply and I'll replace it for you. What type of battery are you charging and what settings are you using?

Tim Sandor

(in reply to msd_q)
       Post #: 26

RE: MRC Super Brain 989 - 3/18/2008 3:27:14 PM   
msd_q


 

Posts: 13
Joined: 3/12/2006
From: kuwait, KUWAIT
Status: offline 		Thank you Tim Sandor
but if I send the power supply its will cost me from 15 to 30$  to chip it to you and to take it back because I live in Kuwait and I have mill box in aramex

the settings for 989

battery elactrifly 3000mah 7 cell
type nimh--cell7--mah3000—amp3.00--6mv--temp130--trickle0.50

battery 4.4k 4400mah 6cell
type nimh—cell6—mah4400--amp4.00--7mv--temp130--trickle0.50

note: I thenk the 989 make battery hot because its charge the battery with Continuous amp there is no Cool-Off Time Delay

but the Triton2 have Safety features include cool-off time delay 

I sell my triton2 to my friend and I buy mrc 989

best regard
musaed

(in reply to Tim@MRC)
       Post #: 27

RE: MRC Super Brain 989 - 3/18/2008 3:59:31 PM   
Tim@MRC


 

Posts: 311
Joined: 7/24/2006
From: Edison, NJ, USA
Status: offline 		Wow, you're in Kuwait. Your profile says Springfield Gardens, NY. Try cutting the mv setting down to 5 mv for both batteries. This coud be why they get hot. What capacity are the charging up to?

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       Post #: 28

RE: MRC Super Brain 989 - 3/18/2008 5:41:45 PM   
guver


 

Posts: 8440
Joined: 3/7/2003
From: LaGrange, OH, USA
Status: offline
quote:

ORIGINAL: guver

I guess I'm not understanding what it is you'd like to do with it. If perhaps you'd like it to shut off right at 3800 then a capacity setting of 4256 could be used.

The capacity cut-off is merely a "safety stop" or a "backup" and should not be used normally. The peak detection (mv value) is what is normal for stopping charge. It is set as a "per cell" value so set it to 5 mv.

ps I happened to be chargeing a 6 x 3800 nimh and the stop code is C.2 when the capacity stop has been reached. Your particular battery might just hold more than 3800 mah and if so it is a good one.


Math error (capacity setting should be 3393 mah if want to shut off at 3800) I went the wrong way and cannot edit post.

never mind, old post.

< Message edited by guver -- 3/18/2008 5:44:52 PM >

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       Post #: 29

RE: MRC Super Brain 989 - 3/19/2008 7:03:50 AM   
msd_q


 

Posts: 13
Joined: 3/12/2006
From: kuwait, KUWAIT
Status: offline 		If I cutting the mv setting down from 7mv to 5 mv , my battery 4.4k 4400mah its will charge only 2500 to 2900mah not full charg
i know there is no usb conaction but can i update the frameware for mrc989 to make Safety features cool-off time delay ???

(in reply to guver)
       Post #: 30

RE: MRC Super Brain 989 - 4/5/2008 7:44:22 PM   
SV27dayton



Posts: 1294
Joined: 12/28/2006
From: Centerville, OH, USA
Status: offline 		I understand that the 989 needs a balancer for charging lipos. It did not come with one. Where is the best place to pick this up. I haven not used Lipos yet but plan on making the switch this year.

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       Post #: 31

RE: MRC Super Brain 989 - 4/5/2008 7:48:55 PM   
guver


 

Posts: 8440
Joined: 3/7/2003
From: LaGrange, OH, USA
Status: offline 		Since balancers and lipos are universal , then nearly any balancer will work as long as it has the correct connection and specs.

If you are going to plug it into the output of the 989 it is an easy job because the green connector can simply take bare wires. Match the output of the balancer to your specific battery and connection.

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       Post #: 32

RE: MRC Super Brain 989 - 4/9/2008 7:03:23 PM   
Tim@MRC


 

Posts: 311
Joined: 7/24/2006
From: Edison, NJ, USA
Status: offline 		I've used the Equinox, Blinky, and the V-Balancer all with good results with the 989. But best bet would be to match the connector as guver has said.

Tim

(in reply to SV27dayton)
       Post #: 33

RE: MRC Super Brain 989 - 4/10/2008 11:40:40 AM   
SV27dayton



Posts: 1294
Joined: 12/28/2006
From: Centerville, OH, USA
Status: offline 		Thanks guys. I haven't selected the lipos that I'm going to get so I was just doing the front end work. Guver, you seem to enjoy the charging more than the discharging

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       Post #: 34

RE: MRC Super Brain 989 - 4/29/2008 10:49:04 PM   
bozboy


 

Posts: 4
Joined: 4/29/2008
From: Doncaster, UNITED KINGDOM
Status: offline 		Great charger, not seen many others in the uk. While charging my lipo's last week, I found the green connector had become very hot, and when i checked the wires, they both snapped off due to the heat. I am struggling to repair it as I need a new connector, any ideas.

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       Post #: 35

RE: MRC Super Brain 989 - 4/29/2008 11:20:43 PM   
guver


 

Posts: 8440
Joined: 3/7/2003
From: LaGrange, OH, USA
Status: offline 		My idea has been to install a pair of female banana jacks like all my other chargers have. OR to solder a lead direct and just have a single or double lead coming out the side. I haven't ruined the green connector yet though , so it stays.

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       Post #: 36

RE: MRC Super Brain 989 - 5/1/2008 8:16:38 PM   
bozboy


 

Posts: 4
Joined: 4/29/2008
From: Doncaster, UNITED KINGDOM
Status: offline 		Do you mean to solder the banana plugs to the charger or to what remains of the green plug?

(in reply to guver)
       Post #: 37

RE: MRC Super Brain 989 - 5/1/2008 9:46:32 PM   
Tim@MRC


 

Posts: 311
Joined: 7/24/2006
From: Edison, NJ, USA
Status: offline 		What size LiPos are charging? You may be able to find a replacement plug at a good electronics supply company in the UK. You can try unsoldering the receptical for the green plug and then hard wiring a Deans (or other) plug to the board with 12-14 gauge wire.

Tim

(in reply to bozboy)
       Post #: 38

RE: MRC Super Brain 989 - 5/1/2008 9:50:32 PM   
bozboy


 

Posts: 4
Joined: 4/29/2008
From: Doncaster, UNITED KINGDOM
Status: offline 		I'm charging Orion 4800 2 cell lipo's. Would it not be better to see if I can get some replacement plugs, before I perform surgery on my charger. I'll try the Deans connector if all else fais. Thx

(in reply to Tim@MRC)
       Post #: 39

RE: MRC Super Brain 989 - 5/1/2008 9:55:45 PM   
Tim@MRC


 

Posts: 311
Joined: 7/24/2006
From: Edison, NJ, USA
Status: offline 		It would definitely be better to get a replacement plug if possible. Let me know if you have problems finding one and I'll see about sending one to you.

Tim

(in reply to bozboy)
       Post #: 40

RE: MRC Super Brain 989 - 5/1/2008 9:57:27 PM   
bozboy