ORIGINAL ORIGINAL sealed gel battery starting ignition lawn tractor lawn mower mower lawn mower lawn mower model FG21803 12V 18 AH Battery size: 180 x 76 mm height 166 mm STANDBY USE: 13.50-13.80 V 14.4 - 15.0 V 4.5 A max starting plug 180 Ah CASTELGARDEN ALPINA STIGA GGP OLEOMAC EFCO MOUNTFIELD ATCO JOHN DEERE SABRE HONDA AL-KO AGS VIKING AND OTHER BRANDS battery usually present in the first installations