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Can I use two 7.4V 10c LiPo batteries for my Starter box??

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1#
heiman 發表於 2007-9-28 02:22:30 | 只看該作者 回帖獎勵 |倒序瀏覽 |閱讀模式

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Can I use two 7.4V 10c LiPo batteries for my Starter box??

I am using Mugen Pro starter RII (2x 540 motors)

Because it seems using LiPo is lighter
2#
stanley_wwy 發表於 2007-9-28 10:23:34 | 只看該作者

回復 1# 的帖子

咁富貴?

同埋好易放死舊電喎好似.......
3#
Brushless 發表於 2007-9-28 10:55:43 | 只看該作者
of course yes, indeed the price of Premium LiPo3300 dropped to about $300 plus now.

you may even try one of those 11.1V LiPo, this combination is even lighter although you need to have a suitable charger and change the circuit of your starter box.

btw mugen starter is already very light when compared with others like Q-World....................don't be too lazy lar
4#
 樓主| heiman 發表於 2007-9-28 11:22:19 | 只看該作者
Because I saw that a new 10c 7.4v LiPo is selling at $160 in our second hand forum.
5#
billy86che 發表於 2007-9-28 11:28:33 | 只看該作者
Actually the selling price of a 10C 700mah 3.7V lithium-polymer cell can be sold at around $10 HK @. I have now 2 cars running on the li-po 7.4v. They run with a 45-turn motor or else the current may kill the battery. Use a balanced charger and your cell can last longer.
6#
Brushless 發表於 2007-9-28 11:32:34 | 只看該作者
原帖由 billy86che 於 2007-9-28 11:28 發表
Actually the selling price of a 10C 700mah 3.7V lithium-polymer cell can be sold at around $10 HK @. I have now 2 cars running on the li-po 7.4v. They run with a 45-turn motor or else the current may  ...

does it imply those LiPo batteries you got were not suitable for quick discharge but may be suitable for other non-quick discharge RC purpose.
7#
billy86che 發表於 2007-9-28 11:51:38 | 只看該作者
原帖由 Brushless 於 2007-9-28 11:32 發表

does it imply those LiPo batteries you got were not suitable for quick discharge but may be suitable for other non-quick discharge RC purpose.


Stupid me. I did wrong post. I was talking about my Mini-z.

But I am still able to tell that 10C is not enough for a 540 (probably 2x) starter because the initial current draw of a starter is terrifying.
8#
xrvct 發表於 2007-9-28 12:02:13 | 只看該作者
the LiPo you are talking about is likely to be the ones i am selling.

using two LiPo batteries at the same time can definetely provide enough power to your dual-540 motor starter.

once you find the starter not powerful enough, it's time to charge the batteries.

it's strongly recommanded that you use a balance charger.
9#
 樓主| heiman 發表於 2007-9-28 18:44:24 | 只看該作者
i have balance charger ar~~

i am just not sure if the 10C provides enough power jar.

hehe, YES i am talking about the LiPO u are selling~
10#
piccoengine 發表於 2007-9-28 20:00:45 | 只看該作者
我個撻箱都係鋰電泥架
真係輕好多呀,我用兩排15c 3300mah,
太約可以玩到3L油到,所以玩幾次先叉一次...
11#
piccoengine 發表於 2007-9-28 20:05:04 | 只看該作者
上面有師兄話10c夠唔夠比撻箱用,
其實係夠,但你要睇下佢有幾大容量,
如果有返4000咁上下就應該冇問題,
即係"嗰"位師兄d電for撻箱係應該冇問題嘅....
12#
xrvct 發表於 2007-9-29 00:18:34 | 只看該作者

回復 11# 的帖子

right, the discharging ability of 5000mAh 10c is the same as 2500mah 20c, both are 50A.
13#
Assili 發表於 2007-10-4 10:45:37 | 只看該作者
I had one lead acid battery used in the ofna starter before, but it was left at the corner  for a long time.
I am going to recharge the battery yesterday,it doesn"t work. I would like to get another one later.Has anybody know how to maintain the battery. Thanks!
14#
ice1234 發表於 2007-10-4 10:57:40 | 只看該作者
原帖由 Assili 於 2007-10-4 10:45 AM 發表
I had one lead acid battery used in the ofna starter before, but it was left at the corner  for a long time.
I am going to recharge the battery yesterday,it doesn"t work. I would like to get another  ...

lead acid battery will die if u do not charge it again when voltage is low.....
15#
Assili 發表於 2007-10-5 00:54:40 | 只看該作者
What should I do for the lead acid battery maintenance.
16#
xrvct 發表於 2007-10-5 02:28:34 | 只看該作者
charge the battery when the voltage is low.

if it's not use for a long time, charge it once every month.
17#
Assili 發表於 2007-10-6 22:33:05 | 只看該作者
thanks for your advice !
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