Large single lithium iron phosphate cell, low internal resistance, brand new product A, full power, excellent consistency, high energy density, super long life, more than 2000 cycles, good safety, no fire, no explosion, non-toxic, pollution-free; Intelligent protection board, seven protection; Modular design, all-around protection of the cell, greatly extend the battery life, seismic, anti-fall. Pure copper connector, stainless steel screw combination; Easy to install.