2pcs 18650 Battery Holder with Single Compartment Support USB 5V/2A 3V/1A V3 Battery Shield Battery Charging Module for Raspberry Pi Arduino ESP32 (1-Holder)
18650 Battery Shield Micro USB 5V/3A 3V/1A Power Bank Battery Charging Module
for Raspberry Pi and Arduino ESP32
 
Product Features
  

         
Support 3V / 1A and 5V / 2.2A two voltage output!
         
The mobile power supply has a built-in protection IC with over-current, over-voltage, under-voltage and over-temperature protection.
         
Micro USB charging current is 600mA-800mA.
         
The operating temperature of 18650 module is -20C to 70C, and the conversion efficiency is up to 95%.
         
18650 Battery Shield Micro USB 5V/3A 3V/1A Power Charging Module for Raspberry Pi and Arduino ESP32