5V 2A Charge And Discharge Boost Module 3.7V/4.2V


This small amplifier board has a big sound and will produce very audible output from almost any circuit You can obtain 6W?3Wx 2?at 5V. This board will allow you to add sound to your next project

  • External dimension: 24 x 15.5mm (length x width)
  • Operating voltage: 3.6V~5.5V
  • Output power: 6W(3W x 2?4?)
  • SNR?90dB
  • Efficiency?>90%
SKU: 171-1-1


5V 2A Charge and Discharge 3.7V 4.2V Lithium Battery Boost Module, when using a lithium battery, its charge, and discharge need circuit protection to protect the lithium battery from being charged or damaged or to obtain a safe power supply from the lithium battery. The module has four LED indicators to indicate the current power of the lithium battery.


  • Low-level trigger.
  • Over-current, over-voltage, short circuit protection.
  • The module comes with a lithium battery protection function.


  • Charge voltage: DC 4.5V-5.5V(Recommend DC 5V)
  • Charging current: 0-2.1A
  • Charge quiescent current: 100uA
  • Full charge voltage: 4.2V+-1%
  • Discharge current: 0-2.4A
  • Discharge quiescent current:50uA
  • Discharge conversion efficiency: MAX 96%
  • Output voltage: 5V
  • Output current: 0-2.4A
  • Operating ambient temperature: -20°to +85°
  • Size: 25x16x4mm

Package Includes:

  • 1 x 5V 2A Charge and Discharge Boost Module 3.7V/4.2V


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