2Pcs 1865O Battery Holder Li-ion Battery with Single Compartment Support USB 5V/2A 3V/1A V3 Battery Shield Battery Charging Module with USB to Micro USB Charging Cable
 
Product Features
  

         
The 1865O battery module supports Type A USB output and micro USB input.
         
The power module supports 5V/2A and 3V/1A output.
         
The 1865O module has overcharge and overdischarge protection.
         
Please connect according to the positive and negative markings on the product, reverse connection is prohibited.
         
The product includes 2 sets of battery shield module and USB cable.