LiTime 12V 50Ah LiFePO4 Lithium Ion Battery, Ideal Replacement for 12V 100Ah AGM Battery, More Efficient Output & Much Lighter, 4000+ Cycles, Perfect for Boat, Marine, Trolling Motor, Camping, etc., Batteries -
Amazon.com: OCELL 12V 6Ah Lithium Iron Phosphate Battery, Rechargeable LiFePo4 Battery with 10 Years Lifetime, Low Self-Discharge for Kid Scooters, Security Alarm, Power Wheel, Fish Finder, Emergency Lighting : Automotive