The DJLBERMPW 4 Pack 12V 100Ah LiFePO4 Battery is special due to its built-in 100A BMS, providing excellent battery management and protection. With a capacity of 5120Wh and the ability to handle over 15000+ cycles, it's a reliable replacement battery for various applications like trolling motors, RVs, camping, solar homes, and golf carts. Note: Due to the limited information provided for the remaining items, it is challenging to create engaging and informative FAQs.