12V 40Ah Battery, Sealed Lead Acid battery (AGM), B.B. Battery BP40-12, VdS, 197x165x171 mm (LxWxH),
Amazon.com: VEVOR Deep Cycle Battery, 12 Volt 40 AH, AGM Marine Rechargeable Battery, High Self-Discharge Rate 400A Discharge Current, for Mobility Scooters Electric Wheelchairs Go-Karts e-Bikes, UL Certified : Electronics
40B19L 12V 40AH 700CCA Lithium Iron Battery for Nissan AGM Battery OEM replace | eBay