How to care for your LiPo Batteries - Basic's

BRCA Articles

One of our electric racers has put a quick guide together on how to care for you Lipo batteries, unlike the old C Type batteries of old the new generation equipment can be dangerous, Stay safe and take a quick read

 

 

LiPo batteries, how to take care of them. What to do and what not to do.

***Please note this is a basic guide aimed at beginners or home users***

Your LiPo Batteries are a very powerful tool for your hobby needs, whatever they may be. Most uses are for RC;

  • Cars
  •  Boats
  •  Planes
  •  Drones 
  •  Helicopters

They come in different;

  • Sizes 
  •  Voltages
  •  Capacities 
  •  Cell numbers

However these are not your standard batteries you find in your TV remote or your mobile phone. Extra precautions need to be taken when using/charging and storing these batteries. 

Firstly, these types of batteries require a special charger that can charge at the correct LiPo setting

charger

Charging batteries:

lipochargesack

Charging batteries in LiPo sacks is strongly recommended, at any BRCA event or affiliated clubs it is MANDATORY to use a lipo sack.

The photo below is a 3Cell battery as you can see it is 11.1V at 5500Mah, When working out what rate you should charge your lipos at, it is good advice not to exceed 1C or whatever the manufacture of your lipo manufacturer recommends. For the pack below you would set your charger to:

  1. LiPo
  2. 3Cell
  3. 5.5Amp - if you are using the balancing function set your charger to Balance Charge

Setting your charger correctly is very important!!!

lipo

Charging FAQ:

What Rate should I charge my lipos at?

When working out what rate you should charge your lipos at, it is good advice not to exceed 1C or whatever the manufacture of your lipo manufacturer recommends.

What is 1C?

1C is worked out by the batteries capacity devided by 1000, so for example if you have a 5500Mah battery, you can charge it with a maximum charge rate of 5.5amp. Anything higher than this can cause the batteries to swell up, and combust.

Should I use a Lipo Sack at Home/Park?

Yes, the best safe practice is to ALWAYS use a Lipo Sack!

It is strongly advised to charge them on a non flammable material, a stone fireplace for example 

(do not charge them on carpets and do not charge them in the vehicles, if your batteries go up in flames and they are still in your vehicle, you could loose that as well).

What is Balance Charging?

Balance charging is something which is also good for your batteries because the balancing part of your charger levels up each cell within the battery, giving you a more stable battery and longer lasting battery. You should balance charge as often as possible

Storage:

When you are storing your batteries for a long period of time it is recommended to discharge them to 50% capacity. Most modern chargers or advanced battery chargers will have a storage function on them.

Over time the batteries will naturally discharge but it is still recommended to run the discharge cycle on the battery charger this also help get the most life out of the battery. It is also good practice to store the batteries in a LiPo Sack

The most popular LiPo sacks are the ‘Box’ type, this is because they are able to house the batteries cables and even the balancing board.

Usage:

When installing any battery into a vehicle make sure you are connecting the terminals correctly. 

This can be a costly mistake if you get this wrong.

Never let the Lipo Discharge below 3.0v per cell as this will make the lipo become unstable, this can shorten the life of the pack and in some cases cause them to set fire!!!!

Remember:

Each cell in a LiPo can be charged up to 4.20V and discharged down to 3.0V per cell, any lower or higher in voltage and the cell will almost certainly be damaged and will become unstable which can be very dangerous (fire risk).

Example of the Dangers Video

I hope this guides helps and for more detailed advice please see the "Electric Board" here on the BRCA website 

Thanks for reading 

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