Maintenance Tips for your Cordless Impact Wrench Battery (Lithium-ion)

In a previous article, we looked at things that could damage the Lithium-ion battery of your cordless impact wrench. In this article, we will look at some useful tips that when followed will extend the lifespan of your battery.

Heat

  • Heat is generated in the Lithium-ion battery during use and during charging, however, there are few things that can be done to cool things down that does not involve refrigerating.
  • In hot weather conditions, consider keeping the battery and the cordless impact wrench in a cool, shaded area to minimize the amount of heat. You don’t want the tool to be too hot before you even put it to use. When taking a shot break from using the tool, set it aside away from the sun.
  • Do not put your Lithium-ion battery into use immediately after charging. Let it cool down a little bit before putting it into work.
  • Taking breaks in-between working hours will also help reduce the heat of the tool and the battery.
  • Endeavor to always store your cordless impact wrench indoors and in a cool place if the temperature is high where you live. It also helps if your house is air conditioned.

Cold

  • Excessive heat is detrimental to your Lithium-ion battery, should I freeze them then? No! Excessive cold is also a damaging factor to your Li-on battery. Batteries need to be not too hot and not too cold to deliver maximum performance.
  • Driving to a job site in the cold? You’re probably running the heat; it is a good idea to drive with your Lithium-ion battery beside you so it will warm up and perform exceptionally and for longer.
  • When it is extremely cold, setting the battery and charger under direct sunlight will raise the temperature and rescue it from the cold.

Moisture

  • Water and electricity do not blend well, try as much as possible to keep your battery away from water sources. It is a mystery really, water is used to generate electricity (Hydro-electric power) and water poses a great threat to electrical installations and batteries.

Level of Discharge

  • Our charging habits are among the major killers of Lithium batteries. Recharge your batteries before they run out completely. Swap your batteries out sooner and recharge when they reach about 15-25%. This practice will extend the battery life and the output.
  • When storing your Lithium-ion battery, endeavor to keep them at a half-charged state. At this stage, the battery’s chemistry is most stable. Manufacturers usually ship out batteries with a half-full charge level; it is for the same reason. So when next you store your tool for the night, charge your batteries to about 50% and leave them that way.

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