• dc dc step up converter module mobile phone usb charger circuit pcb board 3V -4.2V 3.7V to 5V 1A for power bank ,micro USB 5V

dc dc step up converter module mobile phone usb charger circuit pcb board 3V -4.2V 3.7V to 5V 1A for power bank ,micro USB 5V

USD $0.1 - $1 / Piece
5 Pieces(Min.Order)
  • 100000 Piece / Pieces per Month
  • Shenzhen China
  • Credit Card