Read more Mighty Max Battery 12V 55AH Lithium Battery Read more Mighty Max Battery 12V 55AH Lithium Battery Invest in power with the Mighty Max 12V 55ah Lithium Iron Phosphate Battery. The ML55-12LI will take your deep cycle battery experience to a whole new horizon. Manufactured with the highest quality components and the customers safety in mind, this battery contains a battery management system (BMS). BMS provides all kinds of protection for the battery and customer, equipped with Over charge and short circuit protection. Weighing only 19.00 lbs. and being a direct drop in replacement for its sister sealed lead acid and Gel batteries which weigh a hefty 40 lbs. Lighter, stronger and longer life span with 2500 cycles makes this the ideal battery for all your Deep Cycle applications such as, Solar / wind energy systems, Off Grid systems, RV, Camping, Backup power systems and much more. Attention - make sure to only use a compatible lithium charger for this battery and tightly screw the terminals. Having loose terminals will cause a buildup of heat resulting in damage to the battery. Read more Read more