Written: 5 March 2014
Posted Here: 13 Oct. 2014
Last Updated: 7 Feb. 2015
-added Q&A section & link - 7 Feb. 2015
- Parallel Charging Your LiPo Batteries
- [NEW!!] Question About Over-discharged LiPo--How do I quantify the amount of damage done to the battery pack?
- [NEW!] Recommended Soldering Kit & Tutorials (for Arduino, Electronics, & Radio Control)
- Beginner RC Airplane Setup
- Thunder AC680/AC6 Charger & Computer Data-Logging Software
- Using the Arduino Uno’s built-in 10-bit to 21-bit ADC (Analog to Digital Converter) (via eRCaGuy_NewAnalogRead library)
- Arduino micros() function with 0.5us precision - using my Timer2_Counter Library
- eRCaGuy_ButtonReader Library for Arduino - Debounce and read the current button or switch state, & most recent action ("just pressed" or "just released") easily!
- The Power of Arduino <-- be sure to check out the various really useful Arduino-related links at the bottom of this post! They have helped me a ton.
- Arduino Power, Current, and Voltage Limitations
- Quick Tip: 4 Ways to Power an Arduino
Though I first posted this article on my Instructables page, I decided to update it and repost it on my main website here in order to keep my articles more consolidated and easily maintained by myself. From this point on, I will keep the most up-to-date version of this article right here, instead of on my Instructables page, so if you want the latest info, read here. Don't forget to subscribe to receive an email whenever I post something new by clicking the subscribe link at the top-right of this page! I will never use your email addresses for spam.
|A LiPo that self-discharged, while in my plane, hanging overnight in a tree. :(|
Intro:LiPo batteries should never be discharged below 3.0V/cell, or they may be permanently damaged. Many chargers don't even allow you to charge a LiPo battery that is below 2.5V/cell. So, if you accidentally run your plane/car too long, you don't have your low voltage cutoff set properly in the ESC (Electronic Speed Controller), or you leave the power switch on, forget to unplug the LiPo, get your plane stuck overnight in a tree (the same tree, three separate times, for foolishly flying in areas too small because you are too excited to fly and it's almost dark), etc. etc., you may find yourself in a situation where you've discharged your LiPo down well below 3.0V/cell. What do you do?
Many people toss the LiPos in the trash. I don't. I restore them. Here's how.