Trying to power Arduino Nano/Pro Micro off of a LiPo Battery - Project Guidance - Arduino Forum
How to Power up Arduino using a 3.7V Li-Po battery - YouTube
What is the easiest way to power an Arduino Nano from a battery (preferably using the 5V micro USB jack)? - Quora
How to Power Arduino Nano ESP8266 with 3.7V Battery - YouTube
Arduino Nano V3 Case with 9V Battery Department by SnailSale - Thingiverse
Arduino Nano Step Up DC DC converter shiled using 2AA batteries - YouTube
Bike Pixels
Arduino - nano9jira is an add-on board for the Nano 33 that enables 3.7V LiPo battery connectivity and charging functionality: http://bit.ly/2kMcGza | Facebook
Powering Arduino With a Battery (with Pictures) - Instructables
Powering Arduino Nano with 11.1v LiPo Battery - Motors, Mechanics, Power and CNC - Arduino Forum