Auto Li-ion battery Current Collect needle Welding Machine it's full automatic auto feeding,auto assembling,auto testing Auto Li-ion battery ... . *No scrap in any producing step, decreasing waste of handwork. *Can be used for ER14250,ER14250M, ER14X, ER14335,ER14505,ER17505, ER18505 ... personslifespan5~8 years Auto Li-ion battery Current Collect needle Welding Machine