36 V MIGHTYMAX BATTERY Model: ML 15-12, 12 Volt, 15 Amp. BRAND NEW.NO RETURNS | eBay
Amazon.com: Power Queen 12.8V 50Ah LiFePO4 Battery, 640Wh Backup Lithium Battery, Over 4000+ Rechargeable Cycles, Lightweight Replacement Battery for SLA, Widely Used in Wireless Lawn Mover, Electric Scooters : Automotive