RunRyder RC
 2  Topic Subscribe
WATCH
 1 page 593 views POST REPLY
HomeAircraftHelicopterMain Discussion › Help me understand Nimh batteries
01-15-2009 08:47 PM  9 years agoPost 1
ckd

rrApprentice

Saugus CA

My Posts: All  Forum  Topic

If I have a 2700 nimh battery back (8 cells) whats the lowest voltage I take it down when I cycle the pack? What should the voltage be on a full pack?

Thanks

PM  EMAIL  Attn:RR  Quote
01-15-2009 09:18 PM  9 years agoPost 2
WJackson

rrElite Veteran

Smyrna, Delaware

My Posts: All  Forum  Topic

1V per cell discharge, and 1.4V per cell full charge.

RIP Roman
Bill Jackson
AlignUSA

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 09:20 PM  9 years agoPost 3
MaxAdventure

rrVeteran

Northern CO

My Posts: All  Forum  Topic

http://www.rcbatteryclinic.com/

I don't cycle my NiMh, just my NiCad. full voltage can vary based on the health of the pack, should see about 11.2-11.5 or there about

PM  EMAIL  GALLERY  Attn:RR  Quote
01-15-2009 09:20 PM  9 years agoPost 4
WJackson

rrElite Veteran

Smyrna, Delaware

My Posts: All  Forum  Topic

Bonus:

Nicad
.86V per cell discharge
1.4 per cell full charge

RIP Roman
Bill Jackson
AlignUSA

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 09:22 PM  9 years agoPost 5
WJackson

rrElite Veteran

Smyrna, Delaware

My Posts: All  Forum  Topic

I don't cycle my NiMh,
You should. NIMH will develope memory, they can just be recovered by cycling. Nicad, once the memory is there, it is more or less permenant.

RIP Roman
Bill Jackson
AlignUSA

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 09:23 PM  9 years agoPost 6
w.pasman

rrElite Veteran

Netherlands

My Posts: All  Forum  Topic

Don't cycle NiMH, it will just degrade them. To my knowledge NiMH has no memory effect.

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 09:33 PM  9 years agoPost 7
WJackson

rrElite Veteran

Smyrna, Delaware

My Posts: All  Forum  Topic

Some interesting material. http://www.powerstream.com/NiMH.htm

RIP Roman
Bill Jackson
AlignUSA

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 10:08 PM  9 years agoPost 8
ckd

rrApprentice

Saugus CA

My Posts: All  Forum  Topic

Don't cycle NiMH, it will just degrade them. To my knowledge NiMH has no memory effect.
Read the above link. It says just the opposite. Thanks for all the info

PM  EMAIL  Attn:RR  Quote
01-15-2009 10:15 PM  9 years agoPost 9
JRjoe

rrElite Veteran

Jonesville , IN USA #1

My Posts: All  Forum  Topic

I agree 100% with what is being said. There is no need to cycle Nimh batteries.


JRjoe.....
Indoor plumbing??? No, we don't need that!!!

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 10:27 PM  9 years agoPost 10
gian

rrVeteran

AZ

My Posts: All  Forum  Topic

Read the above link. It says just the opposite.
Where?

PM  EMAIL  HOMEPAGE  Attn:RR  Quote
01-15-2009 10:41 PM  9 years agoPost 11
Rotor Trash

rrApprentice

Higginsville, MO

My Posts: All  Forum  Topic

http://www.stefanv.com/rcstuff/qf200109.html

Load'r High and Let'r Fly !!!

PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR  Quote
01-15-2009 10:53 PM  9 years agoPost 12
ckd

rrApprentice

Saugus CA

My Posts: All  Forum  Topic

Gian this is under faster charging.
"If the battery still has 90% of its capacity when the timer starts you would have a good chance of venting the battery. One way to ensure this doesn't happen is to have the charger automatically discharge the battery to 1 volt per cell, then turn the charger on for 5 hours. The advantage of this method is to eliminate any chance of battery memory."

This is saying to cycle them down and then bring them back up.

PM  EMAIL  Attn:RR  Quote
01-15-2009 11:52 PM  9 years agoPost 13
gian

rrVeteran

AZ

My Posts: All  Forum  Topic

Ah- Thanks ckd

PM  EMAIL  HOMEPAGE  Attn:RR  Quote
WATCH
 1 page 593 views POST REPLY
HomeAircraftHelicopterMain Discussion › Help me understand Nimh batteries
 Print TOPIC  Make Suggestion 

 2  Topic Subscribe

Monday, June 25 - 5:05 pm - Copyright © 2000-2018 RunRyder   EMAILEnable Cookies

Login Here
 New Subscriptions 
 Buddies Online