Khe đựng pin 18650 1 khe 3.7V

Size: approx 77.7x20.9x21.31mm High quality 1x 3.7V 18650 ABS plastic battery box holder. Multipurpose battery case holder, you can use this case with your own battery to form power system supply. Easy installation battery holder for 1x 18650, metallic spring with pin design for easy install and convenient for electric circuit diy work. Note:Battery is not included. Package Contents 1 x Battery Case Holder #creativeshopsell #batterycase #batteryholder #batterycaseholder #diybattery