18650 Battery Shield

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  • 1865O Battery Holder Double Li-ion V8 Battery Shield Micro USB 5V/3A 3V/1A Power Bank Battery Charging Module for Raspberry Pi and Arduino ESP32 (2 Holders)
  • Charging Input: 5V/500mA typical via Micro USB port
  • Supports 3V 1A voltage outputs.
  • Supports 5V 2.2A voltage outputs.
  • Two output ports, which are convenient for customer needs and use. It greatly reduces the problem of fewer ports.
  • Output port: USB or expansion port.
  • Output parameter 5V / 3A or 3.3V / 1A.
  • Conversion efficiency up to 95% (high conversion rate).
  • 1.8A charge, 3A discharge, highly integrated mobile power IC.
  • Input port: MicroUSB (Android port) type, wide voltage, up to 6.5V input.
  • Input port: USB  type, C wide voltage, up to 6.5V input ( Note No USB C on 1 Cell Model)
V8  – 2 x 18650 Battery
  • Size: 9.8cm×4.8cm x 2.1cm
  • 3V output port x5
  • 5V output port x5


  • 18650 Lithium Battery Shield
  • This module is a portable mobile power supply that supports 3V/1A and 5V/3A two voltage outputs
  • This mobile power supply has a built-in lithium battery protection IC, which has overcurrent, overvoltage, undervoltage, etc.
  • 4 level LED lights show power, the default boot is always in working state, you need to manually shut down (if necessary, change to non-working state automatic shutdown mode, just cut off the middle line of the “NC” bit or remove the”ROUT” resistor)
  • LED indicator(Green means full, Red means charging)


  • Click to boot.
  • Double click the button to shut down // (not automatic shut-off mode). If you need to change the non-automatic shut-off mode, please read the third point of the product parameters.
  • 4 road LED status indicator, automatically turn off after 3 seconds, the battery is less than 3 V alarm 6 protection, less than 2.4 V full shutdown, no action.
  • Battery current up to 3uA after standby.
  • Intelligent input and output, do not need to worry about long charging time.


  • Please charge and activate before using this board, otherwise it can not be used normally!
  • The output of current depends on the quality of the 18650 battery
  • This board don’t support to charge mobile phones, because there is no docking agreement!
  • The installation of the battery must be determined positive and negative, the board has been clearly marked positive and negative!
  • The battery voltage works normally from 3.2V to 4.2V. Do not connect the batteries in series!
  • The module has a power saving function, the indicator light will turn off after turning on for only about three seconds, but it is still in a state of output work!
  • During the using, please do not pull out the battery directly when the module is not turned off, otherwise the module will open the protection function, and the phenomenon that the battery cannot be turned on when the battery is installed again. At this time, the battery needs to be installed and charged to solve it.
  • When you need to unplug the battery, shut down the module first and then unplug the battery(Double click the button to shut down). If you need to shut down, please manually double click for about two seconds until the LED light is off.

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