Fiamm FG21803 Batteria ermetica al piombo 12V 18Ah
Powery battery Lead (multipower) MP18-12 Vds compatible with FIAMM model FG21803, 12 V, 18Ah/216Wh, Lead-Acid battery, rechargeable, 181mm x 76mm x 167mm, 100% Compatible. New - AliExpress
Amazon.com: Mighty Max Battery 12V 18AH Gel Battery Replacement for Fiamm FGC21803-2 Pack : Health & Household
Powery battery Lead (multipower) MP18-12 Vds compatible with FIAMM model FG21803, 12 V, 18Ah/216Wh, Lead-Acid battery, rechargeable, 181mm x 76mm x 167mm, 100% Compatible. New - AliExpress