How to Regenerate Batteries

Written by bryan cowing
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How to Regenerate Batteries
Rechargeable batteries come in a variety of colours. (batteries isolated on white background image by Nikolay Okhitin from

If you use electronics that need batteries, chances are you know that rechargeable batteries can be a wise investment. With rechargeable batteries, you do not have to purchase new ones every time they run out of "juice." Rechargeable batteries are also considered more environmentally friendly because they do not need to be disposed of as often as standard single-charge batteries.

Skill level:

Things you need

  • Battery charger
  • Wall outlet

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  1. 1

    Check that your batteries are rechargeable. Attempting to recharge a standard battery can cause the battery to explode.

  2. 2

    Examine your recharging device. Inside or sometimes outside the charger, you will see two different symbols. One symbol is a "-" sign while the other will be a "+" sign.

  3. 3

    Insert your batteries into the recharging device with the flat end of the battery closest to the "-" sign and the end of the battery with a circular bump toward the "+" sign.

  4. 4

    Check that the batteries are secure in the recharging unit.

  5. 5

    Plug the recharging unit into the wall.

  6. 6

    Remove the charger when the batteries are charged. Remove the batteries from the charger.

Tips and warnings

  • Most recharging devices have a power light that appears red when your batteries are not charged. This light will turn green after a few hours when the batteries are charged.

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