Thing Plus Dual-Port Logging Shield Hookup Guide
Contributors:
Ell C, 
PaulZC
PaulZC 
Resources and Going Further
Need more information? Check out some of the links below:
Check out these other power related tutorials from SparkFun:
How to Power a Project
A tutorial to help figure out the power requirements of your project.
LilyPad Simple Power Hookup Guide
A basic guide for getting started using the LilyPad Simple Power with LiPo batteries.
Measuring Internal Resistance of Batteries
Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.
Single Cell LiPo Battery Care
This tutorial will go over how to safely charge, connect, disconnect, reinforcing the cables, and handle single cell LiPo batteries.