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Other › Question on quick charging
11-20-2006 05:29 PM  11 years agoPost 1
Nashville

rrElite Veteran

Formerly Music City now back home in Sunny Florida

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I've read here that you can quick charge lipos with the Thunderpower charger/balancer/datalink. Is this correct? Is the maximum 2.5c or less? Is there any major damage caused to the batteries by doing this?

I was Spektrum when Spektrum wasn't cool

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11-20-2006 05:33 PM  11 years agoPost 2
caseyjholmes

rrElite Veteran

Portland, Oregon

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Even assuming you CAN charge these lipos like this (I'm unsure, and wouldn't attempt it myself unless I read it on the yellow TP direction sheet), It is best to know EXACTLY what you are doing if you are charging lipos above 1C. I personally charge them at .9C MAX since I have had a single cell 90mah micro airplane lipo pop and burn up a charging table before.. while charging accidentally at 2C. you should have seen the size of the explosion and the fire the tiny 90mah lipo made!

Lipos are one thing I no longer like to mess around with
If I'm charging a dinged battery, (unrelated to this thread really) It will be done outside, after a voltage check of each cell, and over all pack voltage. (and physical inspection of the packs' tabs and solder points as well as insulation between these areas)

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11-20-2006 05:37 PM  11 years agoPost 3
Nashville

rrElite Veteran

Formerly Music City now back home in Sunny Florida

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I will look for some more documentation. I've been hearing everywhere that this new ThunderPower charger, when used with the 210 balancer and data cable will keep overcharging/fast charging issues from "popping" up. It's supposedly designed for quick charging. I've had issues with older batteries myself. I wonder if anyone else has knowledge of this new chager setup?

I was Spektrum when Spektrum wasn't cool

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11-20-2006 05:52 PM  11 years agoPost 4
Awamori

rrApprentice

Minot, ND

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I have charged my EVO 4900's at 8 Amps. It wasn't all the way to 2C but pretty close. When at the field it will have you up sooner. Like 20-25 min for a charge. More than just me have done this with success. THIS MUST ONLY BE DONE WITH THE 1010/210 AND DATA CABLE THUNDERPOWER CHARGER. If not, theres a good chance of BOOM!

I noticed no heat issues and always wait until the batteries are just barely warm to cool before starting. The newer generation lipo's are much better quality, and some people are even claiming they are seeing no signs of any degradation compared to like cells/like cycles which I find hard to believe.

If I'm not hard pressed for flying IE I'm at home it's always 1C for me.

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11-20-2006 06:58 PM  11 years agoPost 5
MrMel

rrProfessor

Gotland

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I'm unsure, and wouldn't attempt it myself unless I read it on the yellow TP direction sheet
Its actually on the sheet which are delivered with the new batteries

However they state you can only do it if you use TP1010/210v combo, but I would say your fine with other combos, as long as you ALWAYS balance, and also that your charger or balancer (like vblancer) MUST have overvoltage cutoff.

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11-20-2006 07:28 PM  11 years agoPost 6
caseyjholmes

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Portland, Oregon

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Sure enough (centered in photo and in bold)

but it only says charging at 3C for TP prolites. Would a TPX 5000 be considered a prolite? It doesn't say 5000mah.. only up to 2100mah..

"only tp prolite 910,1320,2000,2100 are qualify to charge at 3C"

I don't see anything about 2C rate settings for tpx5000mah..

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11-20-2006 07:46 PM  11 years agoPost 7
MrMel

rrProfessor

Gotland

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Yeah, Prolite or later is OK for 3C charging.

Charlie (Thunderpower) did a 600 cycles test at charging at 3C.
Check over at r.c.g.r.o.u.p.s for more info, he posts there regulary.

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11-20-2006 08:01 PM  11 years agoPost 8
caseyjholmes

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Portland, Oregon

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Thanks for the info Mel. Very helpful as always

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