一、18650鋰電池的壽命有多長
18650鋰電池的使用壽命都只在三年~五年。
18650鋰電(dian)池普遍(bian)都有著容(rong)量大、壽(shou)命長、安全性能高,3.7V的18650鋰電(dian)池一般(ban)(ban)循環(huan)壽(shou)命可(ke)達500~1000次左右,3.2V的18650一般(ban)(ban)壽(shou)命可(ke)達2000以(yi)上。最(zui)好(hao)對鋰電(dian)池進行部分(fen)放電(dian),而不是完全放電(dian),并且要盡量避免經常的完全放電(dian)。
二、18650鋰電池如何保養
很(hen)多人以(yi)為18650只要充(chong)(chong)(chong)一次或用一次就算循(xun)環充(chong)(chong)(chong)電(dian)(dian)(dian),其(qi)實這是(shi)一個誤區,循(xun)環充(chong)(chong)(chong)電(dian)(dian)(dian)其(qi)實是(shi)指(zhi)完(wan)全重(zhong)放電(dian)(dian)(dian)的(de)次數,鋰電(dian)(dian)(dian)池(chi)不同于(yu)(yu)鎳鎘電(dian)(dian)(dian)池(chi),鋰電(dian)(dian)(dian)池(chi)不具有任何記憶效應,隨時隨地可(ke)以(yi)充(chong)(chong)(chong)電(dian)(dian)(dian),電(dian)(dian)(dian)池(chi)有余電(dian)(dian)(dian)的(de)情況(kuang)下進(jin)(jin)行(xing)充(chong)(chong)(chong)電(dian)(dian)(dian)不但不會縮短(duan)使(shi)用壽(shou)命(ming),還能(neng)對(dui)電(dian)(dian)(dian)池(chi)進(jin)(jin)行(xing)保養(yang),延(yan)長其(qi)循(xun)環使(shi)用周期,對(dui)于(yu)(yu)鋰電(dian)(dian)(dian)池(chi),正確的(de)做(zuo)法(fa)是(shi)緩充(chong)(chong)(chong)而不是(shi)深充(chong)(chong)(chong)。
想要延長18650鋰電池壽命,就得遵(zun)守(shou)以下幾點:
1、不要在極端的環境下使用,鋰電池怕冷也怕熱
理論上溫度(du)在(zai)-20℃-55℃之間可以正常(chang)使用,日常(chang)生活中,使用溫度(du)在(zai)5℃-35℃之間對(dui)鋰(li)電(dian)(dian)池(chi)是沒(mei)有(you)傷害的,北方的用戶冬天盡(jin)可能把鋰(li)電(dian)(dian)池(chi)取回(hui)家里存放,不要(yao)放到室(shi)外,南方的用戶避免(mian)夏天暴曬。
2、鋰電池不要經常深度充放電
這個我們剛剛講了,對于鋰電池,正確的做法(fa)是緩充而不(bu)是深充。