... Size:352*225*172mm Material:Lithium iron phosphate electric vehicle battery 48v 20ah Lithium lron Phosphate Battery pack1. ... communicate via battery management system Rugged mechanical design with terminal covers 5.Accurate capacity calculation and instructions, ... CE,UN38.3, UL1642FCC,CE,UN38.3, UL1642FCC,CE,UN38.3, UL1642FCC,CE,UN38.3, UL1642FCC,CE,UN38.3, UL1642FCC,CE,UN38.3, UL1642electric vehicle ...