Firstpower Gel Battery Fp12180 12v 18ah Vds, 12v, 18ah/216wh, Lead-acid, Rechargeable, 181mm X 76mm X 167mm New - Battery Accessories & Charger Accessories - AliExpress
Fiamm 12FGH65 [2030498] : Battery-Kutter
Fiamm Replacement Battery For Sai Apc Smart-ups 2200, 12v, 18ah/216wh, Lead-acid, Rechargeable, 181mm X 76mm X 167mm, Original New - Battery Accessories & Charger Accessories - AliExpress
MIGHTY MAX BATTERY 12V 18AH SLA Internal Thread Replacement Battery for 5799000010 MAX3528034 - The Home Depot