請問wii fit 可不可以用充電電池阿? - Switch

By Emma
at 2007-12-11T01:28
at 2007-12-11T01:28
Table of Contents
推 jim1019:所以右手只串聯兩顆電池 不會有逆充問題囉 是這樣嗎? 12/11 00:57
推 HenryYee:樓上 那個看起來似乎應該是並聯齁..... 12/11 01:00
抱歉,我上篇似乎沒說清楚,我再解釋一下。
1.串聯兩顆一樣會有逆充的問題,
只要電容量是0的時候,有電流「由電池負極流向正極」就算是逆充。
2.Wii Remote 右手是串聯兩顆電池。
3.若要用市面上的充電電池(不管是不是低自放的)來玩 Wii fit,
最好的方式是玩兩三次之後就取出來充電,電池的壽命才不會減少。
另外「嚴格禁止」混合使用不同電量的電池。
那為什麼 Wii Remote 手把比較不會有逆充效應呢?
首先就要扯到:現今的電器大多可以用很低的電壓推動,
(要感謝我們這些資工電機人啊,開發出一堆低電壓晶片,科科。)
(電子科技遠遠進步於電池科技啊,材料系同學們,以後看你們的了。XD)
若 Wii remote 右手的最低容忍電壓是1.5V
如果串聯兩顆要產生逆充效應必須變成:
Wii remote+) [+1.5V-] [+囧-] (-Wii remote
之前提到,鎳氫充電電池的最高電壓是 1.2V,根本不可能達到 1.5V 的電壓啊。
我們由這個例子可以推論:
若手把的最低容忍電壓是1.2V以上,根本不可能發生逆充效應,
因為在逆充效應發生以前,就會顯示沒電,你就會把電池拆下來充電了。
Wii fit 就不同了,雖然踏板也可以在低電壓下執行,
這個低電壓分散到四個電池上,很有機會在其中一個電池沒電的情形下,
但是其他三個電池的串聯電壓,還是高過 Wii fit 的最低容忍電壓,
於是使用者就在不知情的狀況下,繼續玩 Wii fit,造成電池在哭泣,囧。
至於為什麼任天堂不把 Wii fit 設計成兩顆電池就能推,
我也不知道,大概是不想讓你經常換電池吧。
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