Mighty Max Battery 12V 22AH Battery for BMW R1100RS R1100RT 51913 Rechargeable Sealed Lead Acid 12220 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
12V 18AH SLA Internal Thread Battery for BMW R1100RS, R1100RT - MightyMaxBattery
ML22-12 - 12V 22AH Replacement Battery compatible with BMW R1100RS R1100RT 51913 - Walmart.com
12V 18AH Lithium Replacement Battery for BMW R1100RT - Walmart.com
MIGHTY MAX BATTERY 12-Volt 22 Ah SLA (Sealed Lead Acid) GEL AGM Type Replacement Battery for Mobility and UPS Systems (2-Pack) ML22-12GELMP2 - The Home Depot
12V 18AH GEL Battery for BMW R1100RS, R1100RT Motorcycle - 2 Pack - Walmart.com