Amazon.com: NPPower NP6-9Ah F1, 6V 9Ah Battery, Sealed Lead Acid Rechargeable Battery with Terminal F1 for Distribution Control, Solar Garden Light, Electric Toys and Electric Scooter (4pcs) : Automotive
Amazon.com: Trojan T-605 6V 210Ah Flooded Lead Acid GC2 Deep Cycle Battery x4 : Automotive