Amazon.com: Dual Purpose Deep Cycle Lithium Marine Trolling Battery Group 27 Replaces Optima D27M 900CCA : Automotive
M3110-S 12V 110AH MARINE STARTING BATTERY
36V 40AH Bluetooth Deep Cycle Lithium Marine Trolling Battery MML-3640B | MonsterMarineLithium
ABYSS® 12V 120Ah Dual Purpose Lithium Marine Battery On Sale
VMAX LFP27-12100XTR 12 Volt 100AH Lithium LiFePO4 Battery Marine HI Performance Battery ideal for boats 30-80LB minn kota minnkota cobra sevylor (12V 100AH, Group 27, 1280Wh) - Walmart.com
Deep Cycle Lithium Marine Battery Group Size 27 Replaces Optima D27M 8027-127 Bluetop 900CCA - Walmart.com
Lithium marine batteries
Lithium-ion batteries: a buyers' guide for sailors - Yachting Monthly