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Lithium Ion Battery Care

Make those expensive lithium ion batteries last longer by following these simple battery care tips.

By the DIY experts of The Family Handyman Magazine

Battery care tips for long-lasting lithium ion batteries

Lithium ion (Li-ion) batteries are expensive. So get with the program and follow these battery care tips to get the longest life and best performance out of them.

  • Li-ion batteries can handle only 800 to 1,000 charges. Don't recharge a battery if you've used it for just a few minutes.
  • Don't leave them in the car—either in the cabin or the trunk. Heat (above 140 degrees F) and subzero cold can reduce battery life by 15 percent.
  • Storing a battery in direct sunlight can really heat it up, so shield it from the sun.
  • Don't store a discharged battery that has less than one-half charge. Give it a full charge and then store it.
  • If your tool was sold with two batteries and you're a part-time user, stick the extra one in the refrigerator. It'll last for years and you'll have a new one to use when the first one dies.
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