航(hang)空(kong)蓄(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)池均采用(yong)階段(duan)恒流(liu)(liu)充電(dian)(dian)(dian)(dian)(dian)(dian)法(fa)(fa)(fa)進(jin)行(xing)充電(dian)(dian)(dian)(dian)(dian)(dian)。一(yi)般酸性航(hang)空(kong)蓄(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)池采用(yong)恒流(liu)(liu)兩(liang)階段(duan)充電(dian)(dian)(dian)(dian)(dian)(dian)法(fa)(fa)(fa)。堿(jian)性航(hang)空(kong)蓄(xu)(xu)電(dian)(dian)(dian)(dian)(dian)(dian)池采用(yong)恒流(liu)(liu)兩(liang)階段(duan)充電(dian)(dian)(dian)(dian)(dian)(dian)法(fa)(fa)(fa)或恒流(liu)(liu)一(yi)階段(duan)充電(dian)(dian)(dian)(dian)(dian)(dian)法(fa)(fa)(fa)。但這種充電(dian)(dian)(dian)(dian)(dian)(dian)法(fa)(fa)(fa)在充電(dian)(dian)(dian)(dian)(dian)(dian)中(zhong)間(jian)階段(duan)遠離了充電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)接(jie)受率(lv)曲(qu)線，所(suo)以三階段(duan)充電(dian)(dian)(dian)(dian)(dian)(dian)法(fa)(fa)(fa)更好一(yi)點。
三(san)階(jie)(jie)段(duan)(duan)(duan)(duan)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)是兩階(jie)(jie)段(duan)(duan)(duan)(duan)等流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)和(he)恒(heng)定等壓(ya)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)相結合的(de)方式。充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)開(kai)始和(he)結束時(shi)采(cai)用(yong)恒(heng)定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，中(zhong)間(jian)(jian)階(jie)(jie)段(duan)(duan)(duan)(duan)為(wei)(wei)恒(heng)定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池在充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)初(chu)期用(yong)較大(da)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，經過一段(duan)(duan)(duan)(duan)時(shi)間(jian)(jian)改為(wei)(wei)恒(heng)定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)衰減到(dao)預定值時(shi)，由第二階(jie)(jie)段(duan)(duan)(duan)(duan)轉到(dao)第三(san)階(jie)(jie)段(duan)(duan)(duan)(duan)。采(cai)用(yong)三(san)階(jie)(jie)段(duan)(duan)(duan)(duan)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)的(de)優點是：避免了(le)(le)恒(heng)定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)開(kai)始充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)過大(da)，而后期電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)又過小的(de)情(qing)況(kuang)，比二階(jie)(jie)段(duan)(duan)(duan)(duan)等流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)在中(zhong)間(jian)(jian)階(jie)(jie)段(duan)(duan)(duan)(duan)更接近充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)接受(shou)率(lv)曲線。這(zhe)種充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)減少了(le)(le)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)出氣量，充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)又徹底，延長了(le)(le)蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池使用(yong)壽命。三(san)階(jie)(jie)段(duan)(duan)(duan)(duan)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)法(fa)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)和(he)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)變化曲線