5V Micro USB DIY Step Up Power Bank Charging Module with Charging Protection

Features:

• • 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%