• 18650 Power Bank 5v usb charger circuit board Step Up Module 5V 1A 5V 2.1A double usb output supt 3.7V lithium battery ,polymer

18650 Power Bank 5v usb charger circuit board Step Up Module 5V 1A 5V 2.1A double usb output supt 3.7V lithium battery ,polymer

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