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DIY Power Bank Mainboard 3.7V to 5V Boost Module

DIY Power Bank Mainboard Module Specifications:

  • Input Voltage: 3.7V (Single 18650 lithium battery)
  • Output Voltage: 5V
  • Output Current Options: 1A / 2A
  • Battery Compatibility: 18650 Lithium Battery
  • Protection Mechanisms: Overcharge, Over-discharge, Over-current, Short-circuit
  • Efficiency: High conversion efficiency for optimal power utilization
  • Dimensions: Compact size for easy integration into projects
  • Indicator Lights: LED indicators for power status and charging progress



The 3.7V to 5V Boost Module DIY Power Bank Mainboard Circuit Board is a versatile and compact solution for creating your own portable power bank. This circuit board is specifically designed to efficiently boost the voltage from a single 18650 lithium battery, providing a stable output ranging from 3.7V to 5V. Whether you’re a DIY enthusiast or in need of a custom power source for your electronic projects, this mainboard offers a reliable and flexible power solution.


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