Item:laptop battery charger tester capacity and cycle testing:5V 5mA 5V3A 5V6A,10V6A 10V 20A etc battery internal resistance testing:BK-300 finished battery testing:GN-301 Other tester:Protection board tester Offer:one stop service for lithium ion battery machine and tester Support:one stop service for li-ion battery materials and equipment Certification:SGS,ROHS,UL supply 1:li ion battery materials supply 2:li ion battery machine Show More