How to Refresh Power Tool Batteries

Oct. 12, 2009 - PRLog -- Power tool batteries that are rechargeable can develop a memory if they aren't used often or used to their full charge. Once a battery develops memory it can seem to be fully charged but when you use the tool, the battery will be dead within a few minutes. This is an annoying feature of rechargable power tool batteries that you can fix in just a few days with a couple of simple steps.

  1.
     Step 1

     Hook the battery to the power tool and use the tool, or run the tool until the battery goes completely dead. Then leave it attached to the tool overnight.
  2.
     Step 2

     Run the tool with the battery in the morning. If it will run the tool, use it until it goes completely dead. By doing this, you are essentially erasing the memory in the battery and deleting the false empty cycle of the battery.
  3.
     Step 3

     Place the battery on the charge only when it will not power the tool at all. Let it charge fully, which should take overnight.
  4.
     Step 4

     Run the tool with the battery attached until it is again completely dead. Don't charge the battery again until it's completely dead.
  5.
     Step 5

     Repeat the charge and drain process several times, and the battery will get better at holding a charge and charging completely.

http://www.aulaptopbattery.com/blog/How-to-Refresh-Power-...

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