Lithium Li-ion 18650 3.7V 4.2V Battery Charger Board DC-DC Step Up Boost Module

Category:
SKU: RDE01855

Tk 90
Tk 195
Tk 195
54% OFF
  • Input voltage: 4.5-8V DC
  • Output voltage: 4.3-27V DC (Continuously adjustable)
  • Charging voltage: 4.2V DC
  • Charging current: Max. 1A
  • Discharging current: Max. 2A
  • Size: 3.3x2.3cm/1.3x0.91"
  • 100% Brand New and High Quality
  • Can be used for multimeter, converted to lithium battery charging
  • For example: VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery
  • Note: The OUT+Port can output an adjustable voltage.



  • Input voltage: 4.5-8V DC
  • Output voltage: 4.3-27V DC (Continuously adjustable)
  • Charging voltage: 4.2V DC
  • Charging current: Max. 1A
  • Discharging current: Max. 2A
  • Size: 3.3x2.3cm/1.3x0.91"
  • 100% Brand New and High Quality
  • Can be used for multimeter, converted to lithium battery charging
  • For example: VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery
  • Note: The OUT+Port can output an adjustable voltage.





  • Input voltage: 4.5-8V DC
  • Output voltage: 4.3-27V DC (Continuously adjustable)
  • Charging voltage: 4.2V DC
  • Charging current: Max. 1A
  • Discharging current: Max. 2A
  • Size: 3.3x2.3cm/1.3x0.91"
  • 100% Brand New and High Quality
  • Can be used for multimeter, converted to lithium battery charging
  • For example: VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery
  • Note: The OUT+Port can output an adjustable voltage.
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