03:00 00:25 #battery for mobile #Contact us for more discount
00:57 #Battery knowledge #xinghuang battery #For iphone battery
00:13 #workshop #mobile phone #phone battery
01:00 #Lithium ion battery thermal knowledge #xinghuang phone battery
00:33 Lithium ion battery lesson
00:29 battery for iphone all modelsupport oem&odm
00:15 for iPhone battery manufacturing technique
00:25 mobile phone battery assembly