J730F Galaxy J7 (2017)

Batteries charging and testing unit
Battery activation board for reviving a dead flat battery
Includes live voltage and current readouts
Suitable for a wide range of iOS, Android and Apple Watch devices
Suitable for reviving and charging a battery while monitoring the charging health

Galaxy J5 2017 Duos (J530F)
Galaxy J7 2017 (J730F)

Suitable for all mobiles and all brands of mobiles.
Do not exceed the permissible load.