All About Lithium Polymer (LiPo) Battery

Lithium polymer batteries are the power source of choice for electric remote control models. They are relatively inexpensive, light, and have a lot of power. However, many new amateurs may have some questions about their operation. For more information about lithium-polymer battery visit https://nuenergy.net/polymer-batteries/.

Here are three frequently asked questions about it:

1. What is cell balancing?

Lithium polymer batteries usually come in packs that contain more than two separate batteries. For example, an RC electric helicopter uses a 3-cell package. Each of these battery cells has a nominal voltage of 3.7 V; This means that each cell can function if it maintains its charge between 3.0 and 4.2V. 

As long as the battery is operating, the energy consumed by each cell is not the same. Therefore, at the end of each flight, the cells in the battery become unbalanced. The unbalanced charger will stop charging the battery once the whole pack voltage is full regardless of each cell. 

2. What is rank C?

Many remote control pilots quickly grasp the meaning of most battery-related acronyms, with the exception of one: rank C. In fact, many experts stumble trying to explain them. 

3. How fast can load the package be?

Each lithium polymer battery has a different maximum charging speed. It is very important that you never top up with a rating above the set rate! Most batteries have a label that provides this important information. 

However, if a maximum charge speed is not specified, keep in mind that most lipos are rated for 1C speeds. 

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