Re: Cheap and good lipo

by RJNG Fri 2 Sep 2011 - 0:06

Thanks Marpek, I have ordered 4 numbers of 2800mah 30c 7.4v lipo. The dimension seem ok to fit into my cc01 chassis.

by RTECH Fri 2 Sep 2011 - 19:48

Please be more caution and boji, or else you will regret. Dun take things for granted. It doesn't happens doesn't mean it will not happen.

by Marpek Fri 2 Sep 2011 - 22:31

RJNG wrote:Thanks Marpek, I have ordered 4 numbers of 2800mah 30c 7.4v lipo. The dimension seem ok to fit into my cc01 chassis.

No sweat bro...

BTW, you buy all 4 for your CC-01 use ar? You wanna trail until JB sibo? drunken

by Marpek Fri 2 Sep 2011 - 22:37

RTECH wrote:Please be more caution and boji, or else you will regret. Dun take things for granted. It doesn't happens doesn't mean it will not happen.

walau, if i post vid of a burnt down house, bike accident or car accident or even airline crash then what should we do? That`s why the insurance thingy is taking place in our lives and we have to deal with that when things happened either bad or worst... Like the Kungfu Panda`s Shifu saying: Yesterday is history... Tomorrow is mystery... and Today`s a gift!

by RJNG Fri 2 Sep 2011 - 22:49

Marpek wrote:
RJNG wrote:Thanks Marpek, I have ordered 4 numbers of 2800mah 30c 7.4v lipo. The dimension seem ok to fit into my cc01 chassis.

No sweat bro...

BTW, you buy all 4 for your CC-01 use ar? You wanna trail until JB sibo?

LOL. Cheap mah.

by Marpek Fri 2 Sep 2011 - 22:51

yeah...understand, so cheap machiam want to buy all!!!

by RJNG Fri 2 Sep 2011 - 22:54

Marpek wrote:yeah...understand, so cheap machiam want to buy all!!!

hehe... pocket's hole getting bigger liao. Sigh....

by RTECH Sat 3 Sep 2011 - 10:34

Marpek wrote:
RTECH wrote:Please be more caution and boji, or else you will regret. Dun take things for granted. It doesn't happens doesn't mean it will not happen.

walau, if i post vid of a burnt down house, bike accident or car accident or even airline crash then what should we do? That`s why the insurance thingy is taking place in our lives and we have to deal with that when things happened either bad or worst... Like the Kungfu Panda`s Shifu saying: Yesterday is history... Tomorrow is mystery... and Today`s a gift!

That's why i said be more caution lah. Not say dun buy lah. Dun be like you bo chap, knn accident then regret.
Suspect

So you got buy insurance for your lipo bo?

by Marpek Sat 3 Sep 2011 - 13:48

if you think you life is cheaper than a lipo batt, i wont stop you from buying ins for your precious lipos... knn

by qks57 Sat 3 Sep 2011 - 21:34

lol.. i agree with Marpek.. knn.. haha! just be safe.. if wanna store then store at storage voltage.. charge properly, charge in lipo bag.. etc etc. must apprehend to the basic lah..

by RJNG Sun 4 Sep 2011 - 0:52

qks57 wrote:lol.. i agree with Marpek.. knn.. haha! just be safe.. if wanna store then store at storage voltage.. charge properly, charge in lipo bag.. etc etc. must apprehend to the basic lah..

Thank you so much for all the advise. cheers

by qks57 Sun 4 Sep 2011 - 17:27

no problem.. most important thing is to enjoy safely! Very Happy

by RJNG Mon 12 Sep 2011 - 9:25

Hi Guys,

Need help again, i just received my newly ordered 4 x lipo packs 2800mah 2s 20c and do i need to fully charge it for the first time or i can start using it first till it is flat (tested with some juice inside)?

Cheers

by boolean21 Mon 12 Sep 2011 - 9:52

RJNG wrote:Hi Guys,

Need help again, i just received my newly ordered 4 x lipo packs 2800mah 2s 20c and do i need to fully charge it for the first time or i can start using it first till it is flat (tested with some juice inside)?

Cheers

i don't think lipo batteries have memory effects, but still, i think it would be good to fully charge them before using, remember to plug in a lipo monitor if your esc does not have lipo cut off... Smile

by RJNG Mon 12 Sep 2011 - 11:01

boolean21 wrote:
RJNG wrote:Hi Guys,

Need help again, i just received my newly ordered 4 x lipo packs 2800mah 2s 20c and do i need to fully charge it for the first time or i can start using it first till it is flat (tested with some juice inside)?

Cheers

i don't think lipo batteries have memory effects, but still, i think it would be good to fully charge them before using, remember to plug in a lipo monitor if your esc does not have lipo cut off...

Thanks bro but what is a lipo monitor and whatupzz with the esc cut off thing.....? Oh man, i'm blur now confused

by boolean21 Mon 12 Sep 2011 - 11:39

RJNG wrote:
boolean21 wrote:
RJNG wrote:Hi Guys,

Need help again, i just received my newly ordered 4 x lipo packs 2800mah 2s 20c and do i need to fully charge it for the first time or i can start using it first till it is flat (tested with some juice inside)?

Cheers

i don't think lipo batteries have memory effects, but still, i think it would be good to fully charge them before using, remember to plug in a lipo monitor if your esc does not have lipo cut off...

Thanks bro but what is a lipo monitor and whatupzz with the esc cut off thing.....? Oh man, i'm blur now

Hi bro,
Some esc comes with lipo cut off, means, it'll shut off when the battery voltage is low... This is to prevent over discharging the lipo battery... Which will damage the lipo and might be dangerous as well.
If the esc does not come with it, u can just get some battery monitor, which serves the same purpose, they will beep when the battery voltage is low, so that you will not over discharge the lipo..
You can get some simple ones from hobbyking... Very cheap..
Some better ones have voltage read outs too.
Please also use a charger suitable for lipos to charge the batteries... dont use a nimh charger to charge the lipos...

by RJNG Mon 12 Sep 2011 - 12:52

boolean21 wrote:
RJNG wrote:
boolean21 wrote:
RJNG wrote:Hi Guys,

Need help again, i just received my newly ordered 4 x lipo packs 2800mah 2s 20c and do i need to fully charge it for the first time or i can start using it first till it is flat (tested with some juice inside)?

Cheers

i don't think lipo batteries have memory effects, but still, i think it would be good to fully charge them before using, remember to plug in a lipo monitor if your esc does not have lipo cut off...

Thanks bro but what is a lipo monitor and whatupzz with the esc cut off thing.....? Oh man, i'm blur now
Hi bro,
Some esc comes with lipo cut off, means, it'll shut off when the battery voltage is low... This is to prevent over discharging the lipo battery... Which will damage the lipo and might be dangerous as well.
If the esc does not come with it, u can just get some battery monitor, which serves the same purpose, they will beep when the battery voltage is low, so that you will not over discharge the lipo..
You can get some simple ones from hobbyking... Very cheap..
Some better ones have voltage read outs too.
Please also use a charger suitable for lipos to charge the batteries... dont use a nimh charger to charge the lipos...

Noted bro and thank you so much. now i know.

by RTECH Mon 12 Sep 2011 - 17:10

Just to add, do not store a fully charged lipo for too long. It will bloat by itself. If you are planning to store it, charge to 80%.

by Marpek Mon 12 Sep 2011 - 22:04

no wonder my old ones seems bloated as full charge liao also not required to use sometimes during meets...haha

Bte, if spoilt then can buy buy buy since they are so cheap!

by RJNG Tue 13 Sep 2011 - 8:56

Marpek wrote:no wonder my old ones seems bloated as full charge liao also not required to use sometimes during meets...haha

Bte, if spoilt then can buy buy buy since they are so cheap!

Ya lor bro, buy buy buy. I just placed an order for a lipo monitor and a charger bag. sign...... sooooo poisoning Twisted Evil

by qks57 Tue 13 Sep 2011 - 10:52

RTECH wrote:Just to add, do not store a fully charged lipo for too long. It will bloat by itself. If you are planning to store it, charge to 80%.

if planning to store lipos, best storage voltage is at 3.85V per cell(no matter wat capacity).. tat is usually not very achievable, so between 3.8 to 3.9V will do.. confirm can store for at least 2 yrs without bloating, and power still as good as new..

i had an experiment with lipos back in poly, so i learnt about this.. Very Happy

trying out various brands and sizes, doing comparison.. and of course, the pleasure of seeing a 22.2V 6s explode.. Twisted Evil

by Marpek Tue 13 Sep 2011 - 21:18

qks57 wrote:
RTECH wrote:Just to add, do not store a fully charged lipo for too long. It will bloat by itself. If you are planning to store it, charge to 80%.

if planning to store lipos, best storage voltage is at 3.85V per cell(no matter wat capacity).. tat is usually not very achievable, so between 3.8 to 3.9V will do.. confirm can store for at least 2 yrs without bloating, and power still as good as new..

i had an experiment with lipos back in poly, so i learnt about this.. trying out various brands and sizes, doing comparison.. and of course, the pleasure of seeing a 22.2V 6s explode..

store for 2 years?? omg just throw lah... after 2 years your that same cheap lipo will be like buy 1 get 2 free liaoz!!! hahaha....

by Marpek Tue 13 Sep 2011 - 21:19

RJNG wrote:
Marpek wrote:no wonder my old ones seems bloated as full charge liao also not required to use sometimes during meets...haha

Bte, if spoilt then can buy buy buy since they are so cheap!

Ya lor bro, buy buy buy. I just placed an order for a lipo monitor and a charger bag. sign...... sooooo poisoning

you opening new shop isit??

by RTECH Tue 13 Sep 2011 - 22:48

Macpherson road also got newly open hobby shop liao.

by RJNG Wed 14 Sep 2011 - 10:18

RTECH wrote:Macpherson road also got newly open hobby shop liao.

Lelong lelong!!

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