手機電池容量檢測方法
1、借助(zhu)針對手(shou)機的專(zhuan)門(men)測試電池容量的軟件,查看(kan)電池容量。
2、在保(bao)證(zheng)測(ce)試過程是(shi)恒流(liu)的(de)情況下,選(xuan)取跟要測(ce)試手機電(dian)阻相近的(de)電(dian)阻與電(dian)流(liu)表串聯后,對充滿電(dian)(4.2V)的(de)電(dian)池(chi)(chi)進行放電(dian),直到3.7V結束。測(ce)量(liang)電(dian)流(liu),并記錄(lu)時(shi)間。如記錄(lu)的(de)電(dian)流(liu)是(shi)200mA,放電(dian)時(shi)間為(wei)4個小時(shi)。那(nei)么該(gai)電(dian)池(chi)(chi)容量(liang)為(wei)200X4=800mAh。
3、交(jiao)由專(zhuan)業檢(jian)測部門進行檢(jian)測。
手機電池容量怎么計算?
鋰電(dian)(dian)池(chi)(chi)的(de)充(chong)電(dian)(dian)方式是限壓橫流方式,一(yi)般(ban)充(chong)電(dian)(dian)電(dian)(dian)流都設定在(zai)0.2C。充(chong)放電(dian)(dian)電(dian)(dian)流一(yi)般(ban)用C作參照,C是對(dui)應電(dian)(dian)池(chi)(chi)容(rong)(rong)量的(de)數(shu)值。電(dian)(dian)池(chi)(chi)容(rong)(rong)量一(yi)般(ban)用mA表示,如L600的(de)電(dian)(dian)池(chi)(chi)容(rong)(rong)量1800mAh,對(dui)應的(de)C就(jiu)是1800mA。 0.2C就(jiu)等于(yu)240mA。
一般鋰(li)電(dian)(dian)池充(chong)電(dian)(dian)電(dian)(dian)流都設定在0.2C ,按照(zhao)這個原理(li),我們就可(ke)以通過電(dian)(dian)池的充(chong)電(dian)(dian)時間來計(ji)算一下(xia)手機電(dian)(dian)池的大致容量。
以L600為例(li),來計算一下L600的電(dian)(dian)池容(rong)量:電(dian)(dian)池標注是1800毫安,按照“一般鋰電(dian)(dian)池充電(dian)(dian)電(dian)(dian)流設定在0.2C”計算,0.2×1800=360,從L600的充電(dian)(dian)時間來看,L600電(dian)(dian)池充滿(man)的時間為近5小(xiao)時,即(ji)360×5=1800。這樣就基本計算出該手機電(dian)(dian)池的容(rong)量了(le)。
可見本機電池容(rong)(rong)量(liang)(liang)與標注的(de)容(rong)(rong)量(liang)(liang)是相(xiang)符的(de)。很(hen)多(duo)山寨機,電池容(rong)(rong)量(liang)(liang)標的(de)都非常(chang)大,有的(de)大的(de)驚人,在充電時很(hen)快就充滿了,一使(shi)用(yong)兩天就沒有電了。用(yong)這種方法,大家就很(hen)容(rong)(rong)易判(pan)斷電池的(de)大致容(rong)(rong)量(liang)(liang)了。
什么手機電池好?
一、看容量
一般(ban)的鎳鎘電(dian)池(chi)(chi)(chi)為500mAh或600mAh,鎳氫(qing)(qing)電(dian)池(chi)(chi)(chi)也不過800~900mAh;而鋰離子(zi)手機電(dian)池(chi)(chi)(chi)的容量一般(ban)都在1300~1400mAh之間,所以鋰離子(zi)電(dian)池(chi)(chi)(chi)充足電(dian)后使(shi)用的時(shi)間約是(shi)(shi)鎳氫(qing)(qing)電(dian)池(chi)(chi)(chi)的1.5倍,是(shi)(shi)鎳鎘電(dian)池(chi)(chi)(chi)的3.0倍左右。
二、看外觀
正品(pin)電(dian)池(chi)(chi)(chi)防(fang)(fang)磨(mo)面均(jun)勻,采用的是(shi)PC材質,無(wu)脆裂(lie)現象;假冒電(dian)池(chi)(chi)(chi)無(wu)防(fang)(fang)磨(mo)或(huo)過于(yu)粗糙,采用的是(shi)再生(sheng)材質,易脆裂(lie)。正品(pin)的手(shou)(shou)機(ji)電(dian)池(chi)(chi)(chi)表面色澤紋理清晰、均(jun)勻、干(gan)凈、無(wu)明顯(xian)劃痕及(ji)損傷。五金片(pian)無(wu)明顯(xian)劃痕及(ji)發黑(hei)、發綠現象,電(dian)池(chi)(chi)(chi)底殼顏色與手(shou)(shou)機(ji)機(ji)身一致(zhi),與手(shou)(shou)機(ji)配合(he)良好,鎖扣可靠(kao)。
三、看標志
原裝電池標貼應印有(you)電池型號、種類(lei)、額(e)定容量(liang)、標準(zhun)電壓(ya)、正(zheng)負極標志、制造廠名(ming)。
四、看保護裝置
正品手機電(dian)池(chi)內(nei)部(bu)應有過(guo)流保(bao)護器,在外(wai)部(bu)短路等導致電(dian)流過(guo)大(da)的情況下(xia),自動(dong)切(qie)斷回路,以(yi)免(mian)燒(shao)毀或損(sun)壞手機。如果(guo)在充電(dian)的過(guo)程中,發(fa)現電(dian)池(chi)嚴(yan)重發(fa)熱、冒煙、甚至(zhi)爆炸,說明電(dian)池(chi)肯定是假的。
五、看防偽標志
如原裝電池(chi)的貼紙下暗藏斜印品(pin)牌標(biao)(biao)志字樣,一些(xie)品(pin)牌的防(fang)偽(wei)商標(biao)(biao)呈菱形,并且(qie)無論從任何角(jiao)度看(kan),都閃爍有立體效果。相(xiang)反,防(fang)偽(wei)標(biao)(biao)志色澤暗淡、立體感不足,便有可能是假貨(huo)。
六、測電壓
如果(guo)用鎳(nie)鎘、鎳(nie)氫電(dian)(dian)(dian)池(chi)塊(kuai)假冒鋰(li)離子手機(ji)電(dian)(dian)(dian)池(chi)塊(kuai),就必(bi)須由5個單(dan)(dan)體電(dian)(dian)(dian)池(chi)組成,單(dan)(dan)個電(dian)(dian)(dian)池(chi)的(de)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓一(yi)般不超過1.55V,當電(dian)(dian)(dian)池(chi)塊(kuai)的(de)充(chong)電(dian)(dian)(dian)總電(dian)(dian)(dian)壓低于8.0V時(shi)就有可能是(shi)鎳(nie)鎘、鎳(nie)氫電(dian)(dian)(dian)池(chi)。