5V Micro USB DIY Step Up Power Bank Charging Module with Charging Protection (134N3P)

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SKU: 27112
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5V Step-Up Power Module Lithium Battery Charging Protection Board USB For DIY Charger 134 N 3P

Make your own 5V (Approx) power bank from single-cell Li-po or Li-ion battery (18650 or 14500) with this Booster and Charger Power Bank Module. It is based on 134N3P IC.

It comes with UBS A Receptor at one side (output) and another side is the USB Micro B receptor for the input charging source.


  • 1A (Approx) Power Bank Module
  • Support Single Cell Lithium Battery, including Lipo and Li-ion
  • Support 18650 and 14500 Li-ion battery
  • Charging and discharging indication
    • Charging: RED LED Blink fast
    • Full Charge: RED LED Blink Slow
  • Internally installed charging and discharging power MOS
  • Preset 4.2V charging voltage, precision ±1%
  • Max 8uA standby current
  • Integration charging management and discharging management
  • Intelligent temperature control and overtemperature protection
  • Integration output overvoltage protection, short circuit protection, overload protection
  • Integration overcharging and over-discharging protection
  • Support trickle mode and zero voltage charging
  • Supply Voltage: 3.7V~5.5VDC
  • Maximum Charging Current: 1A (max)
  • Output Discharge Voltage (Boost): 5VDC (Approx)
  • Maximum Discharge Current: 1A
  • Battery Cutoff Discharge Voltage: 2.9V
  • Discharging Efficiency: 85%
  • Dimension: 23mm x 18mm x 10mm
  • Weight: 3gm

Note: All the cells that are connected to the power bank module should be in a series, please don't connect the cells in parallel as this will damage the power back module and cause a heating issue in it and eventually the power bank module will stop working.

Note: This module is not suitable for running a DC motor,  as the module is not able to handle the high current requirement of a DC motor but it can run a small DC Toy motor, whose current requirement is less than 100milli amp.

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