1995-2004 Kawasaki JetSki 750ZXi 900ZXi Factory Service Manual, Page 174Get this manual
Refreshing Charge Remove the' batterv [A] Refr,esh-charqe by foUow'ing method according to the battery t,ermins,l voltage
,CAUTION
This Iballery Is sealed typeHie:ver :r,emoveseal'lng ,ca,ps, ['B] even chargingNeve,' add waterCh,.irgwrlthcu,rr'enl and lime .8 Ita'ied
OTerminal Voltag,e: 1'15 12.8 or lie
Sland.rdCbarge: Oulck Charge: 18A10 C'see 'oUow,lng chari)