Nifty Lipo pack build program...
Heres a nifty lipo program that can be used to show you exactly how you wire lipos...
http://scriptasylum.com/rc_speed/_lipo.html |
RE: Nifty Lipo pack build program...
THAT's a great calculator that should be stickied.
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RE: Nifty Lipo pack build program...
way cool!
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RE: Nifty Lipo pack build program...
WOW,
Deadsticker you just answered my recent post to the forum.. THANKS A MILLION !!!! |
RE: Nifty Lipo pack build program...
hi, i am new here and am trying to get info for some of my customers and myself. i will use myself as an example tho. i have a traxxas villian 4 boat that uses the old 7.2 huge batt. packs. it takes two to deliver enough power to run the boat for 10 - 15 minutes. is there a special way to wire lipos to get them to take the old styles place, or can i just replace the connectors and run them instead? also do i have to change my speed controller if i switch to lipos?
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RE: Nifty Lipo pack build program...
Great find!! [sm=thumbup.gif]
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RE: Nifty Lipo pack build program...
ORIGINAL: shadow3621 hi, i am new here and am trying to get info for some of my customers and myself. i will use myself as an example tho. i have a traxxas villian 4 boat that uses the old 7.2 huge batt. packs. it takes two to deliver enough power to run the boat for 10 - 15 minutes. is there a special way to wire lipos to get them to take the old styles place, or can i just replace the connectors and run them instead? also do i have to change my speed controller if i switch to lipos? You don't have to change the esc, did you change it when you go from nicad to nimh? Batteries just deliver voltage and current. Remember that the motor specs determine which esc you use and the esc determines the batteries. |
RE: Nifty Lipo pack build program...
shadow3621,
You will need to make sure that your speed controller has an appropriate Low Voltage Cut Off or stop running the boat when you notice a significant drop in power or the LiPo batteries will not like it. |
RE: Nifty Lipo pack build program...
Also DO NOT exceed the amp rating of the packs as well.
Ooops older thread,better late than never. sorry |
RE: Nifty Lipo pack build program...
That's a good calculator. Great!!http://www.rcuniverse.com/forum/js/f.../thumbs_up.gif
___________ Lilian fast money http://www.rcuniverse.com/forum/js/f...ey/msn/lol.gif |
RE: Nifty Lipo pack build program...
That is cool!! I feel affection for, standard, stable, and good-looking! I don't have any work practice with this company before, do you just heard about it or have their services, what is your skill with them.dupon registry
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RE: Nifty Lipo pack build program...
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RE: Nifty Lipo pack build program...
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RE: Nifty Lipo pack build program...
Nice VERYNICE!!
YA should be sticky... Also to the guy with the boat. get a lipo cut off for your ESC. will save you a ton of headaches and is only about 20 bux compared to the 100 plus for a lipo ready ESC. Later Rich |
RE: Nifty Lipo pack build program...
Hello all! I just found this sticky from viewing the referrer information from my server logs. I'm glad you found the R/C Calc site useful. If anyone has any suggestions, comments, etc, let me know. I'm always looking for ways to improve it.<div style="background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(255, 255, 191); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; color: rgb(0, 0, 0); margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; font-family: arial, sans-serif; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; height: auto; line-height: normal; text-align: left; width: auto; direction: ltr; z-index: 99995; background-position: initial initial; background-repeat: initial initial; "></div>
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RE: Nifty Lipo pack build program...
Haha, good. Welcome to RCU. It's about time. :) (hoober)
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RE: Nifty Lipo pack build program...
Nice find but to dangerous for me lol
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RE: Nifty Lipo pack build program...
ORIGINAL: guver Haha, good. Welcome to RCU. It's about time. :) (hoober) <br type="_moz" /> |
RE: Nifty Lipo pack build program...
Will somebody please post a proper way to use this type of charging, as I am sure it can be dangerous.I would like to try on myonyx 230 and blinky balancer with 2 new identical2s 4000's. Thanks for the post, I was looking for this.
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RE: Nifty Lipo pack build program...
If you asking about parallel charging then the 2 + get hooked together and the two - get hooked together. The packs must contain the same number of (series) cell. Charge as 1 big pack.
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RE: Nifty Lipo pack build program...
Will running one battery to a lower voltage say6.90v and the other 7.90v on 2sand then using this parallel system be ok. i say it would but I'd like to hear from others.
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RE: Nifty Lipo pack build program...
If you're asking about the voltage diff between the packs (1 volt) when connecting them for parallel charge. Then it isn't an issue. I generally start the lower one first and then the higher one. Many will disagree and want to maintain a minimum voltage differential between all packs before connection. I've heard many different figures for this and have ignored them all.
If you want to know then use a clamp meter and hook the two packs together using your intented parallel setup. Read or log current at the very first start to let us know. (imediately upon connection) |
RE: Nifty Lipo pack build program...
Generally, for parallel charging, you'd want the packs to be pretty close. Also, don't forget that you'll also need to come up with a parallel balance harness to balance them at the same time.<div>
</div><div>The series charging arrangement is easier (IMO) because the cells in each pack are treated just like if they were one big pack. You just need the external Y adaptor for balancing/charging to mimic what would normally be hard-wired in a single pack.</div><div> </div><div>Since you are using two 2s packs, this diagram from my site would be the one to use:</div><div> </div><div>http://scriptasylum.com/rc_speed/ima...2s2s_wmain.gif </div> |
RE: Nifty Lipo pack build program...
This chart is a great way to understand the wiring of Lipo and helped me alot...THANK YOU!!! this thread should def be stickied for quick reference... Just my 2 cent.<div>
</div><div> </div><div>JOE</div> |
RE: Nifty Lipo pack build program...
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