R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 09-08-2006, 11:09 AM   #1
Tech Fanatic
 
SlamMan's Avatar
 
Join Date: May 2006
Posts: 847
Default Need Help: Battery Options for 3PK

Ok, I've been searching around for a rechargeable battery solution for my 3PK and have only succeeded in confusing myself more. My 3PK came with the dry cell holder instead of the NiCd battery pack and charger.

The ultimate setup I have in mind would be a set of NiMH AA cells to fill the dry cell holder and a charger I can plug into the wall and charger jack on the Tx. Equally as good would be a set of NiMH AA batts either in a custom built pack or in the dry cell holder and be able to charge it with my Duratrax Ice.

I was also looking at the following battery kit but was hoping for more capacity.
http://www2.towerhobbies.com/cgi-bin...?&I=LXSD23&P=0

I apologize in advance if this is a stupid question but I'm retarded when it comes to electricity.
__________________
Michael H

OnRoadColorado.com
Colorado On Road RC Club
SlamMan is offline   Reply With Quote
Old 09-08-2006, 11:22 AM   #2
Tech Elite
 
JayL's Avatar
R/C Tech Elite Subscriber
 
Join Date: Mar 2006
Location: Ca
Posts: 2,880
Default

buy the dry cell holder from tower and buy some 2700 or 2800 AA nimh... that is what i did..
http://www2.towerhobbies.com/cgi-bin...?&I=LXEYM7&P=7


or go with team muchmore's li-on pack for the 3pk
http://teammuchmore.com/product_info...roducts_id=311
JayL is offline   Reply With Quote
Old 09-08-2006, 11:47 AM   #3
Tech Elite
 
olhipster1's Avatar
 
Join Date: Dec 2004
Location: Asgard
Posts: 3,994
Trader Rating: 98 (100%+)
Send a message via Yahoo to olhipster1
Default go lipo

my suggestion is go with the Lipo if you can spend the $$$.
I had a rechargable AA pack made and still had to charge often.
then went lipo and the transmitter weighs half as much.

and if you have the ice charger..you'll be all set to charge it...but you have to take the battery out of the transmitter. Good news is you'll only have to charge the pack about 1 time every month if not longer.

I've never had a problem with my lipo batteries.
olhipster1 is offline   Reply With Quote
Old 09-08-2006, 11:48 AM   #4
Tech Fanatic
 
SlamMan's Avatar
 
Join Date: May 2006
Posts: 847
Default

I already have the dry cell holder. How do you charge the NiMH batts? I don't have the charger. I can get one if that's best.

What LiPo do you have, olhipster1? I'm certainly not above spending the $$ to save some weight.

Are there any other LiPo options? Who sells the MM LiPo and what's needed to charge it?
__________________
Michael H

OnRoadColorado.com
Colorado On Road RC Club
SlamMan is offline   Reply With Quote
Old 09-08-2006, 12:33 PM   #5
Tech Champion
 
geeunit1014's Avatar
 
Join Date: Sep 2005
Location: The dirty burnie
Posts: 5,505
Trader Rating: 12 (100%+)
Default

since the dry cell holder has a servo lead that plugs into the radio, i just take the tray out and charge them through the lead
__________________
Mike Gee

Awesomatix USA/Pyscho Cells Racing/Tekin/Sweep Racing/RSD/180 Raceway/Johns Mobile Raceway/TQ Wire/Avid/Sanwa
geeunit1014 is offline   Reply With Quote
Old 09-08-2006, 01:23 PM   #6
Tech Elite
 
olhipster1's Avatar
 
Join Date: Dec 2004
Location: Asgard
Posts: 3,994
Trader Rating: 98 (100%+)
Send a message via Yahoo to olhipster1
Default Lipo

Lipo, I had one made at a hobby shop...any place that sell heli's or planes should be able to make one to fit...but you should have to do that anymore there a few companies now that make the pack specifically for the 3pk..such as the Much More one (link below prior post).

all you really need is a charger that can handle lipo charging, i.e.; Ice charger, Integy 16x8 and there are a few more out there. do a search for lipo charging and I'm sure you'll find what's out there.


lipo pack shouldn't cost more than $55 bucks.
olhipster1 is offline   Reply With Quote
Old 09-08-2006, 02:03 PM   #7
Tech Fanatic
 
SlamMan's Avatar
 
Join Date: May 2006
Posts: 847
Default

Quote:
Originally Posted by olhipster1
Lipo, I had one made at a hobby shop...any place that sell heli's or planes should be able to make one to fit...but you should have to do that anymore there a few companies now that make the pack specifically for the 3pk..such as the Much More one (link below prior post).

all you really need is a charger that can handle lipo charging, i.e.; Ice charger, Integy 16x8 and there are a few more out there. do a search for lipo charging and I'm sure you'll find what's out there.


lipo pack shouldn't cost more than $55 bucks.
I found this one for $40. I would need to figure out what kind of connector it has so I can charge it on my Ice charger.
http://www.htbatteries.com/Public_html/Tx%20packs.htm


Team Brood carries the VXR Lipo packs and have one for $35 but they say you have to use their voltage regulator with it which is 30 more bucks. Why would you have to use the voltage reg with this one and not the previous none? I'd still have to figure out the connector situation to charge it on the Ice too.
http://www.teambrood.com/catalog/pro...roducts_id=679


Anyone have experience with either of these?
__________________
Michael H

OnRoadColorado.com
Colorado On Road RC Club
SlamMan is offline   Reply With Quote
Old 09-08-2006, 04:20 PM   #8
Tech Elite
 
JayL's Avatar
R/C Tech Elite Subscriber
 
Join Date: Mar 2006
Location: Ca
Posts: 2,880
Default

I charge my pack through the radio.. I bought an adapter for the ice that plugs into the radio chagre plug and the manual for the 3pk says it can take 3amps and I never go that high, 1.1a at most..
JayL is offline   Reply With Quote
Old 09-08-2006, 05:11 PM   #9
Tech Regular
 
Join Date: Feb 2004
Location: somewhere in the north of england
Posts: 347
Default

look on ebay you can find packs buit up for 20 bucks including packaging.
Smoking motor.. is offline   Reply With Quote
Old 09-09-2006, 03:12 PM   #10
Tech Addict
 
Join Date: Sep 2005
Posts: 667
Trader Rating: 26 (100%+)
Default

Get rid of the battery holder and solder up your own (9) AA cell NimH battery pack (11.25V as opposed to 10V) Solder an old servo lead on. Cover the battery with heat shrink. Then grind down the 2 plastic stoppers in the controls battery compartment. Done!
CountryHick is offline   Reply With Quote
Old 09-12-2006, 05:45 AM   #11
Tech Adept
 
G Ace's Avatar
 
Join Date: Mar 2004
Location: New York
Posts: 211
Send a message via AIM to G Ace Send a message via Yahoo to G Ace
Default

I built myself a 9 cell AA pack. It works great and lasts a long time between charges.

If you build it in the formation in the attached picture (8 cells "stick pack" style and the 9th cell on the end), you should not need to grind or modify anything inside your radio. This way you can keep 8 alkaline AA batteries in your "dry-cell" holder and use them as a back up in case something happens to your rechargeable pack. Not only did I not have to grind anything for this pack to fit, I have to use a small piece of foam in the battery compartment to keep it from rattling around.
Attached Thumbnails
Need Help: Battery Options for 3PK-txbattery.jpg  

Last edited by G Ace; 09-12-2006 at 11:06 PM.
G Ace is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Revo Conversion Battery Options mkiiina Monster Trucks 2 07-12-2008 10:02 PM
so many options source Australian Racing 17 02-26-2007 06:02 PM
Battery Options - Pumping up the power! RoostAZ Micro and Mini Scales 8 09-15-2006 04:05 PM
Micro Battery options????? tunnelhead Electric On-Road 2 05-24-2006 10:59 AM
ive got options donthaveaclue Electric Off-Road 0 11-27-2003 09:53 AM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 02:29 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net