1995-2004 Kawasaki JetSki 750ZXi 900ZXi Factory Service Manual, Page 19Get this manual
GENERAlINFOR,MATION 1,1i 3
Pb Negatiive active
material
12 02 O'xygen gen,era'ted from: positive plate
(PbD) iNegatiive active
material
(charged state)
PbSQ'4 Negative active materi,a;1
(cha:rged state)
Thus, the' neg,ative Iplate is made as, not to get ful'V chargedEven if the overcharge continues, the oxvgengas generated inside the battery isabsorbed by the p1Ia'te, process called oxyg'en cycle, which keeps water loss theoretically at nil, and allows the battery to be sealled