universal 84v 3a intelligent lithium battery charger for 20-cell power tools 72v li-ion battery

dual color led indicator:red means charing,green means full charged.with 1 years warranty constant current, constant pressure dual scheme design, perfectly conform to the lithium battery charging characteristics. the two way average flow scheme is used, when one of them is damaged, only the charging current is reduced by half, and it can be used. the charging time is adjustable, with led indication, precision voltage and current detection, effectively preventing overcharge and completely eliminating charge of discontent and so on. the input and output lines use wires, corrosion resistance, and no cracking..syi