Lithium Ion Black 12V 6Ah Lithium(LiFePo4) Battery with Warranty with Enclosure
Amazon.com: ISTARPOWER LiFePO4 Battery 12V 6Ah Lithium Battery, 4000+ Deep Cycles with BMS Protection, Great for RV, Fish Finder, Outdoor Camping, Marine etc. : Automotive
Amazon.com: 12V 6Ah Lithium Iron Battery LiFePO4 Deep Cycle Batteries, Built-in BMS, 2000+ Cycles : Automotive